A comedy about a woman who tries to overcome tone-deafness and a man who tries to help her but joins the romance.

Four stepbrothers are having a hard time getting along as a family. 15 years after their parents’ second wedding, the four unexpectedly head home and reunite by an urgent call from their youngest stepsister, born between the remarried parents. Although their rivalry escalates, the four brothers come to a momentary truce to put their hearts together and find their missing parents.

Once a legendary detective and a new mom, Mi-young, now works a desk job. But when overenthusiastic newbie Ji-hye is assigned to Mi-young's civil complaints team, the two female cops get caught up in a serious criminal case that triggers an action-filled comedic investigation.

"Sunday Seoul" is a film with three nonsensical episodes: THE WEREWOLF: A high school student Do-yeon who is the victim of bullying in school, is the main character of the first episode. He is not good at studying or at fighting. One day, an unexpected change happens to his body. THE VISITOR: On a pitch-black stormy night, a woman is visited by a stranger seeking shelter. The stranger eventually, is revealed as a serial killer on the run. THE YOUNG ADVENTURER: Seeking revenge for his father, a son embarks on a journey in which he encounters a young girl by chance and starts to learn martial arts.