Tensions Rise in 'Mary Kills People' as Betrayal Unfolds

Lee Bo-young's character in 'Mary Kills People' faces an irreversible crisis as she is shocked by Kang Ki-young's betrayal.

In the 9th episode, aired on Saturday, the 30th, Woo So-jung (played by Lee Bo-young) is shocked by the betrayal of her ally, Choi Dae-hyun (played by Kang Ki-young), who decides to cooperate with the police after being threatened by drug dealer Koo Kwang-chul (played by Baek Hyun-jin).

Choi Dae-hyun, who was involved in assisted deaths, is critically injured in a car accident after stealing drugs from a wealthy client. Woo So-jung, upon seeing his condition, confronts Koo Kwang-chul, expressing her anger and warning him to stay away from her and her associates.

Meanwhile, Ban Ji-hoon (played by Lee Min-ki) suspects Woo So-jung's involvement in a suspicious death, despite her explanations. His suspicions grow as he uncovers connections between the deceased and Choi Dae-hyun.

As Choi Dae-hyun recovers, he expresses regret over their actions, suggesting they stop the assisted deaths. However, tensions rise as he feels trapped and betrayed, leading to a confrontation with Woo So-jung.

Choi Dae-hyun, feeling threatened by Koo Kwang-chul, decides to set a trap by cooperating with the police, wearing a wire to gather evidence. This decision leaves Woo So-jung in shock as she discovers his plan.

The episode ends with a tense scene where Choi Dae-hyun, under police surveillance, receives a mysterious call, leading to a dramatic turn of events that leaves viewers eagerly anticipating the next episode.