Kill Me, Heal Me

I don’t even know yet…how many persons are there living inside me. (1x1)

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Cha Do Hyun is in line to be the successor of Seung Jin Group. No one in his family is aware that he's been suffering from dissociative identity disorder for years following a family tragedy. Oh Ri Jin is a first-year psychiatric student who runs into one of Do Hyun's many personalities while looking for one of her patients.