Bad Behaviour

Leila is a patient in an institution that helps drug abusers overcome their addiction. She doesn't talk and everyone avoids her.

Taeyang gets admitted to this institution after he was found unconscious in a club due to a coke overdose.

Jiyong tries everything to help his friend get better. At the same time he struggles to keep up with his life as an idol and leader of famous KPop group Bigbang.