Queen Mantis has already passed its halfway mark, and its episode 5 delivered one of its most intriguing turns. Yi-shin escaped custody, appeared in front of Jung-yeon, and then surrendered herself again almost immediately.
At first glance, the sequence could be read as intimidation, but there is a more unsettling possibility. What if this encounter was not about fear, but about recognition? What if Yi-shin used her brief freedom to confirm that Jung-yeon carries the shadow of the copycat killer?
The K-drama thrives on these ambiguities. Queen Mantis never frames its story as a linear chase. Instead, every meeting, every silence, every gesture is layered with moral and symbolic weight. Episode 5 is a perfect example. By placing Jung-yeon at the center of Yi-shin’s escape, the show invites us to question why she matters so much and whether her role is deeper than it appears.

The suspicious visit: Yi-shin and Jung-yeon face to face
The choice of Jung-yeon as the first destination after a daring escape is already suspicious. Yi-shin had no shortage of enemies and no lack of hiding places, yet she appeared at his son's wife's doorstep. The scene plays with ambiguity. Their conversation feels charged with observation, as if Yi-shin was looking for signs, waiting for confirmation.
Moments later, Yi-shin returned to imprisonment willingly, a decision that makes sense if the visit served its purpose. If she had confirmed what she suspected, there was no need to run any further. The message was delivered without words.
Queen Mantis episode 5 lingers on that encounter with unsettling precision. The camera captures every glance, every pause, every moment of tension as if the real conversation is happening underneath what they say. For a K-drama so invested in inheritance and secrecy, it feels deliberate that Jung-yeon is singled out. The series doesn’t waste screen time, and giving Jung-yeon this direct confrontation hints at a hidden significance that us viewers might be only beginning to grasp.
The placement of the visit in the episode structure also strengthens the impression. Queen Mantis arranges it as the dramatic centerpiece of Yi-shin’s escape, elevating Jung-yeon from background presence to pivotal figure. For many fans, this was the moment she stopped being just a wife pulled into her husband’s trauma and started looking like someone carrying her own secrets.
Why a female copycat killer makes sense
The murders of Queen Mantis began with Yi-shin, the original serial killer who shattered expectations as a woman feared for her violence. If the new killer is also a woman, the echo becomes even stronger, mirroring the legacy of Yi-shin while challenging the investigators, who consistently search among young and unstable men.
Choosing Jung-yeon fits the narrative logic. As wife and business owner, she moves invisibly through spaces where suspicion rarely reaches. Her social role makes her the perfect vessel for a hidden predator, and, thematically, a female copycat killer reinforces the thread of inheritance that defines this series.
Queen Mantis plays with these gendered expectations. Detectives speculate about male suspects, even when evidence points elsewhere. Meanwhile, Jung-yeon’s daily presence gives her both opportunity and cover. By making the copycat killer a woman, the show would not only surprise its characters but also challenge its audience to rethink assumptions about violence.
Thematically, the twist in Queen Mantis would connect with the drama’s obsession with maternal memory. Yi-shin is remembered as a mother as much as a murderer. If Jung-yeon takes on her mantle, the cycle of female violence becomes not an aberration but a legacy. That is precisely the kind of moral complexity Queen Mantis thrives on.

Jung-yeon’s profession and the artistic imprint of the murders
Jung-yeon is the owner of a ceramic studio, a profession that may seem worlds away from the brutality of crime, yet the connection is disturbingly clear. Ceramics demands cutting, shaping, binding, and burning. The new murders have been staged with the same precision and intention.
Corpses are arranged carefully, ropes and wires tied with deliberate neatness, cuts left clean instead of chaotic. These are not frenzied acts of violence. They are compositions, executed with a steady hand. For someone who spends her life molding clay into fragile forms, the transition from studio to crime scene becomes a chilling metaphor.
By the fifth episode of Queen Mantis, the precision of the copycat killer’s crimes becomes harder to dismiss as coincidence. Every frame of the crime scenes looks curated, which echoes the meticulous process of ceramics, where patience, timing, and detail define the outcome. It isn’t about brute force. It’s about shaping and presenting.
This alignment between Jung-yeon’s artistic identity and the visual character of the murders is one of the strongest arguments for her being the copycat killer. Queen Mantis is too deliberate to let such parallels slide without purpose. By highlighting her career in art, the series may be quietly preparing viewers for a shocking reveal.
The new murders as artistic staging
Each death shown in Queen Mantis feels less like an accident of passion and more like a performance. Victims are not only killed, they are displayed. Videos of the crimes are circulated, turning murder into an exhibition meant for an audience.
The sense is not of a killer in hiding but of an artist presenting her work. Every scene resonates like an installation, a piece designed to provoke horror and awe. The copycat killer is not simply recreating Yi-shin’s methods. She is curating them, giving them a second life as staged compositions. This layer of artistry fits disturbingly well with Jung-yeon’s profession.
By presenting murder as staged imagery, Queen Mantis blurs the line between violence and performance, making us complicit, forcing us to watch these crimes as arranged images. That uneasy blend of art and cruelty aligns seamlessly with the possibility of Jung-yeon as the copycat killer.
The murders also expand the moral reach of the K-drama. They are not only crimes against individuals but provocations against society, forcing both investigators and us as audience to witness. If Jung-yeon is behind them, her identity as an artist gives the crimes a second layer of meaning: the urge to be seen, to leave a signature, to transform death into lasting form.
The shadow of recognition: Yi-shin and Jung-yeon
Seen under this light, Yi-shin’s visit takes on new meaning, becoming less a threat and more a ritual. The original serial killer confronting a possible successor. The silence between them weighs as much as the few words spoken.
Yi-shin may have recognized in Jung-yeon a reflection of her own violence, a continuity she could sense without needing proof. The surrender that followed suggests acceptance. The torch had already been lit in someone else’s hands.
The scene stands out because Queen Mantis rarely wastes its pacing. Every moment matters, and placing Jung-yeon in Yi-shin’s path feels like more than coincidence. For a drama so obsessed with inheritance, the symbolism is heavy. This visit seems to whisper that the old queen has found someone who can carry her crown.
That possibility reshapes how us viewers remember the entire series so far. Suddenly, what looked like intimidation becomes validation. Yi-shin’s prison break wasn’t about running away. It was about confronting Jung-yeon, seeing the truth, and returning with certainty that her shadow will live on.
Why Jung-yeon fits the mold of the copycat killer
Her closeness to Su-yeol places her at the heart of the narrative. She is a confidante, yet her curiosity about Yi-shin and the past often crosses into something excessive. Her behavior carries a strangeness that the show never explains outright, but us viewers kind of feel.
Combined with her artistic background and her position as the wife of the original serial killer's son, Jung-yeon embodies the themes that Queen Mantis keeps weaving together: creation and destruction, memory and inheritance, intimacy and monstrosity. If the series is aiming for a twist that feels both shocking and coherent, Jung-yeon is the piece that fits the mold.
Queen Mantis episode 5 carefully positions her without overexposing her. That balance is what makes her dangerous. She is always close, always watching, yet never accused. In thrillers, this quiet proximity often marks the true culprit. The K-drama thrives on moral paradoxes, and Jung-yeon represents the sharpest one.
Her role as copycat killer would also deepen the tragedy of Su-yeol. To learn that his wife is carrying the legacy of his mother would be the cruelest inheritance imaginable. Queen Mantis has never shied away from painful ironies, and this one would complete the circle.
Closing thoughts on Queen Mantis and its moral game
The brilliance of Queen Mantis lies in refusing to reduce its story to a simple whodunit. The copycat killer theory involving Jung-yeon isn’t about solving a puzzle. It is about how violence can be inherited, how art can turn into cruelty, and how motherhood can carry shadows as heavy as love.
If Jung-yeon is revealed as the true copycat killer, it will not only provide one of the boldest twists of the year, it will also cement Queen Mantis as a thriller that transforms crime into a study of memory, legacy, and the unbearable weight of recognition.
More than a guessing game, Queen Mantis uses every murder to reflect back on its characters and its audience, and this is now made clear, with the weaving of Jung-yeon into the center of its puzzle. Whether she is guilty or not, the suspicion already changes the way viewers see her, and that is where the real power of the drama lies.
As the final episodes approach, Queen Mantis promises not just answers but revelations that might cut deeper than identity. This is a K-drama where the copycat killer’s mask is less about who wears it and more about what it says about memory, inheritance, and the price of recognition.