Hong Seul, a third-year college student, just wants to get good grades and earn enough money for tuition. But when classmate Yoo Jung returns from the army, she is the only one sees past his pleasant veneer to the person who constantly causes trouble for her.

In Ho warns Seol about Yoo Jung. Seol races to finish a group project that her partners have abandoned.

Seol has a surprising date with Jung. In Ho and In Ha struggle to live independently.

Threatening events occur consecutively and Jung is worried. He spends a night in Seol's room.