Im Kang-sung

A former ugly duckling tries to track down his childhood first love. But what will happen when a case of false identities backfires?

Im Chi-Woo never wanted to become a good daughter, a good daughter-in-law or a good wife, but she sacrifices herself to take care of her family. She is married to immature Park Wan-Seung and she works several part-time jobs to support her family. Under her difficult situation, she keeps smiling and maintaining her positive attitude. Choi Jin-Yoo is a divorcee and he has a daughter. He works hard and tries live positively for his daughter. He encounters a nightmare like scenario.

A police detective from 1986 travels in time to the present to save his daughter.

Seung-jin, who is preparing for an audition to pursue his ambition of becoming a singer, moves into a new studio apartment. On the first night, as he just started to settle in, he hears a woman wailing from next door. With all the noise she makes owing to her badly soundproofed room, La-ni has driven away several neighbors. Seung-jin isn't one to back down easily. Their argument intensifies to the point that they have discovered everything about one other's life through their noises save for their names and faces.

Two guys who are working for cartels as cleaners get a request to monitor an 11-year-old kidnapped girl, but the situation gets worse when their supervisor gets killed.