One sweltering day, university student Kim Kibum comes home to find Soohyun, a runaway high school girl in front of his house. Trying to be a responsible adult, Kibum attempts to send Soohyun on her on her way. After discovering she may be hiding a painful past not unlike his own, the softhearted Kibum agrees to let her stay. But there's a catch: she must leave in exactly two weeks. The clock ticking, Kibum gets to know Soohyun—only to realize that there might be more to his unwelcome houseguest than what meets the eye... (Source: Lezhin Entertainment)