Movies

Yong-Nam (Cho Jung-Seok) graduated from university a few years ago, but is still looking for a decent job. His hobby is rock climbing, which he actively practiced during his student days.

Meanwhile, Yong-Nam's mother Hyun-Ok (Ko Du-Shim) is celebrating her 70th birthday and will hold a celebration at the convention hall. At his mother's birthday party, Yong-Nam sees Ui-Joo (Lim Yoon-A). She works as an assistant manager in the convention hall. In their college days, Yong-Nam and Ui-Joo were members of a rock climbing club. Yong-Nam then confessed his feelings to her, but Ui-Joo rejected him. Even today, Yong-Nam still has feelings for Ui-Joo. Suddenly, a deadly gas begins to spread throughout the area.