Haedanghwa, a beautiful woman, comes into the life of a single father and his three grown-up sons all of sudden! The abandoned woman, who does not have any memories about herself, begins her precarious cohabitation with the family of four men. And this is how the intense battle among four men to earn Haedanghwa’s heart begins. However, the story starts going towards a completely unexpected direction as a group of suspicious men appear.

Troublemakers Mok-won, Ryu and Hak-moon are far from passing the state examinations. Three female students enter the school during a new spring term and the atmosphere changes. Then one day, Mok-won and Ryu are taken to around the back of the school and molested by an unknown woman. The three of them start an investigation.

Byun goes back to his hometown and opens a small restaurant selling food and makgeolli (traditional rice wine). He puts up a framed quote that states "If you drink makgeolli here, those you miss will return." A young woman, Joo-Young begins to stay there and work. People with their own stories gather at the restaurant.