Kill Me, Heal Me

Do-hyun, the heir to a major Korean corporation, has kept his dissociative identity disorder a secret from his family for years. His life takes a turn when Ri-jin, a first-year psychiatric student, becomes involved with one of his seven distinct personalities, setting the stage for dramatic developments.

Segi, one of Do-hyun's personalities, falls deeply in love with Rijin and is determined to eliminate Do-hyun to pursue a relationship with her.

As Rijin starts to piece together the truth about Do-hyun’s multiple personalities, Do-hyun struggles with guilt over one of his personalities putting Rijin at risk.

Fearing that he might harm others, Do-hyun refuses treatment and isolates himself as a new personality emerges. Meanwhile, Do-hyun's family conceals a troubling secret.

Rijin has difficulty distinguishing between Do-hyun and his various personalities, making it challenging for her to figure out who she’s truly falling for.

Do-hyun recruits Rijin as his personal psychiatrist to prevent Segi from taking over completely. At the same time, ID Enter investigates clues about Writer Omega’s identity.

After a traumatic encounter with one of Do-hyun's unstable personalities, Rijin faces a dilemma: whether to stay and help Do-hyun or move to America. Kijoon looks into the reasons behind Do-hyun’s therapy sessions.

Learning about one of Omega’s stories triggers the emergence of a new personality in Do-hyun. Chaeyeon starts to suspect that Do-hyun may have feelings for Rijin.

Rijin confronts all of Do-hyun’s personalities over a challenging night, while Do-hyun uncovers Writer Omega’s identity.

Segi becomes jealous of the time Rijin spends with Do-hyun, and Rijin discovers that Do-hyun may never recover his lost memories.

Segi reveals a deeply traumatic childhood memory to Do-hyun, while Rijin uncovers a hidden secret in her brother’s room.

Do-hyun must face the emotional fallout of recovering a crucial memory from his past, and Chaeyeon grapples with mixed feelings about her upcoming engagement.

Do-hyun searches for the other unknown child from his recovered memories, while Yona, the teenage girl personality, takes over and causes chaos for Rijin and Rion.

As both Rijin and Do-hyun start to piece together their lost childhood memories, the truth begins to emerge.

Following the shocking revelations of their shared past, Do-hyun vows to spend his life making amends to Ri-jin, while Ri-on tries to prevent Ri-jin from remembering the disturbing events.

Do-hyun and Rijin go on a road trip to enjoy their remaining time together, as Ri-jin deals with the pain of resurfaced memories and the harsh truths they reveal.

Do-hyun seeks answers from his grandmother and finally learns who was responsible for the devastating fire 21 years ago.

All of Do-hyun's personalities emerge in one night as he uncovers the full extent of his past. Just as he prepares to move on, an old threat reappears to challenge him.

With all secrets revealed, Rijin and Do-hyun aim to heal from their pasts together, but the return of one of Do-hyun's personalities complicates their efforts.

A newly surfaced personality urges Do-hyun to release his remaining alter-egos and face his family to resolve past issues.