Young Ju's father is framed for a murder committed on a rainy day. To clear his name, Young Ju visits Dong Jun.

Young Ju makes it into the firm as Dong Jun's secretary, before asking her ex-boyfriend for his help in catching the real murderer.

Dong Jun gets Young Ju in trouble for forging official documents. Meanwhile, Young Ju discovers that Su Yeon and Jeong Il are lovers.

Su Yeon and Jeong Il try to frame Dong Jun for drug use, but Dong Jun takes that plan and turns it on its head.

Su Yeon tries to use Jeong Il to get rid of Dong Jun by trying to kill him. Dong Jun tries to keep talking so the others know where he is.

Yu Taek tells Il Hwan to kill Chang Ho to cover up their crimes concerning the confidential documents.