A woman sorts belongings of her deceased mother. Uncanny phenomena occur in her house, and she recalls memories of her mother.

"I want to be you" is a sharp psychological thriller fueled by jealousy. The story connects Min-hee, a class president whose identity is being stolen by a social outcast, and Ah-reum, who returns home after 16 years to care for her reclusive brother. Their lives violently collide during a brutal "Mother-Daughter Murder Case," where a lone witness confesses a chilling, bizarre scene to a detective, reconstructing the tragic events of that fateful day.

Welding engineer Cheol-taek is diagnosed with terminal cancer one day. This news begins to affect not only his only daughter Jeong-mi, who works as a bit-part actress, but also the lives of Hyun-sook, who had effectively divorced Cheol-taek and was enjoying retirement after finishing her career as a civil servant; Ok-nam, Hyun-sook's mother approaching her nineties; Cheol-taek's older brother Kwan-taek; and Kwan-taek's grandson Dong-min.

Manok, the owner of a South Korean lesbian bar, trades rainbow lights for small-town politics when she moves back home and challenges her ex-husband for mayor.

Su-kyung lives with her daughter Yi-jung. They don't quite get along, though. Su-kyung is too hot tempered, while Yi-jung is slow and passive. After having a fight one day, Su-kyung runs over Yi-jung, who thinks she did it on purpose. Their clash ends up in court.