9-1-1 Season 9 Episode 7 titled Secrets aired on ABC on January 8. The network's beloved firefighter procedural is finally back after its winter hiatus.The mid-season premiere of 9-1-1 Season 9 was an intense ride for the 118, especially Hen, who was still reeling from her worsening health. The latest entry revealed that Hen has started her treatment at the shady spa but she is still keeping it a secret from Karen and the 118. Over time, Hen’s worsening health begins to interfere with her duties, reaching a breaking point during the 118’s major call of the episode, when she unexpectedly collapses on the job.Here's the complete recap.Hen's health secret lingers in 9-1-1 Season 9 Episode 7 View this post on Instagram Instagram Post9-1-1 Season 9 Episode 7 begins after a three-month break and Hen is hooked to a chemo-type treatment for her mysterious ailment at the shady spa from the mid-season finale. While the details about Hen's ailment or treatment are not revealed yet, she is still having hand tremors and episodes of fainting, which she is hiding from the 118 and Karen. However, it does not take Karen long to figure out her wife's secret when she notices suspicious charges on her credit card and that's when she comes clean about her health. Karen threatens Hen to come clean about her health to Chimeny, otherwise she would, a sentiment which is also shared by Athena later.However, Hen chooses to ignore both Athena and Karen's advice and heads to another call with the 118, where a woman goes into labour while on a first date. What's even more shocking is that she was unaware of the baby. The paramedics get to work but Hen can't possibly deliver a baby with shaky hands. She orders Eddie to 'glove up,' who delivers the baby hesitantly and just like that, the 118 saves the day in 9-1-1 Season 9 Episode 7.The 118 men enjoy a night out in 9-1-1 Season 9 Episode 7 View this post on Instagram Instagram PostAs Hen continues to navigate her deteriorating health, Buck and Ravi take Eddie for a much-needed night out. Between looking after Chris and changing jobs, Buck feels that Eddie has forgotten how to date and it's high time that he removes his metaphorical 'chastity-belt.' However, 9-1-1 Season 9 Episode 7 takes a completely different turn when the night out becomes a total disaster for Eddie but Buck ends up earning two dates, one with a woman (Jade) and another with a man (Zane).After much contemplation, Buck decides to give both Jade and Zane a shot. He goes on a first date with both of them. However, all it takes for Ravi is a bit of Instagram stalking to discover that Jade and Zane are siblings. When Buck summons both of his dates to break up with them, they reveal that they are not siblings but an ethical non-monogamy couple, looking for their third.They both approached Buck in 9-1-1 Season 9 Episode 7 as a fun game and requests him to be their third. While Buck is extremely flattered by their offer, he politely declines.Chimney learns Hen's secret in 9-1-1 Season 9 Episode 7 View this post on Instagram Instagram PostThe final moments of 9-1-1 Season 9 Episode 7 saw the 118 receive their big call from a burning building. As Ravi, Hen and Buck are put on search and rescue duty, Chimeny finds a disheveled woman looking for her seven-year-old daughter, who is still inside the building. Chimney orders Hen to rescue the child, which is when she starts to struggle because of her vision and balance. As Chimeny repeatedly called out to Hen and she was unresponsive, he sent Ravi and Buck inside. However, Hen emerges from the flames with the kid and collapses on the ground.As Hen is transported to a hospital, Chimney finally learns the truth about her condition from Karen. While Hen was stable for now, Chimney was angry that Hen concealed such a huge thing from him, putting her and the 118 in danger.As Chimney expressed his disappointment in Hen, he fired her, saying:"I can't have someone on my team who puts her life and the lives of her co-workers at risk. You're done at the 118."For the latest scoops on your favorite TV shows and movies, follow SoapCentral.