Unspeakable Sins is a Mexican thriller drama series that recently premiered on Netflix on July 30, 2025. Written by Leiticia López Margalli and Guillermo Ríos, the show has lots of romance, seduction, and intrigue, and has therefore steadily climbed the charts of the streaming giant and become one of the most-watched shows.
Directed by Pablo Ambrosini and Felipe Aguilar Dulcé, Unspeakable Sins features Zuria Vega, Andrés Baida, and Erik Hayser. The show begins on the premise that a young woman, Helena (Vega), is married to a wealthy man called Claudio (Hayser) and is stuck in a toxic relationship. She meets a charming man, Iván (Baida), and the two fall for each other. As Helena decides to create a plan and leave her abusive marriage, she falls into greater traps that can be dangerous for her and everyone else involved.
Here is a detailed look at the character of Helena in Unspeakable Sins.
Who is Helena in Unspeakable Sins?

Played by Zuria Vega, who is a Mexican actress and singer and is known for shows like Alma de hierro and Qué pobres tan ricos, Helena is an important and the central character in Unspeakable Sins. She is the one who is trapped in a controlling marriage with Claudio and also has a teenage son with him.
However, her life changes when she matches with the charming Iván on a dating app and the two have an instant spark. Thereafter, the duo meet up regularly and begin an extramarital affair. However, Helena wants to escape her marriage and also free her son. Iván therefore comes up with the idea of seducing Claudio so that Helena can get leverage and file for a divorce.
However, the plan soon runs into problems as Claudio does not take no for an answer and a fight exposes Helena and Iván’s plan. Further, a crime scene causes problems as Helena tries to cover up her and Iván’s involvement and protect her son from becoming the fall guy. Helena also has to deal with blackmail and deceit as Claudio’s adult children from a previous marriage also complicate Helena’s life and she must fight for her love and her survival.
Therefore, the character of Helena is extremely important in Unspeakable Sins.
What critics and fans are saying about Unspeakable Sins

While the Mexican thriller is quickly climbing charts around the world on Netflix and fans of the show are expressing their praise for the series, some critics are also pointing out that the series falters in its exposition, as it does not give a backstory to how Helena married Claudio. Further, the show has dramatic performances, which are not nuanced or layered. However, critics also mention that the series has the perfect mix of intimacy, romance, seduction, action, betrayal, and thrilling twists and turns.
The show is available on Netflix.