Youth, Climb the Barrier: Season 1, Episode 4

1 - 4: Episode 4

Hwan gives Jae Yi a second test. She must figure out why the messenger he sent to Master Min's house was killed, and Jae Yi finds out it has something to do with Hwan. Finally, Hwan gives the last test which is to solve a serial murder case. Now Jae Yi must face her fiancé.