Hee Kyung won't stop until he finds his sister-in-law and uncovers his brother's dark secrets. Song Yi and Min Joon can't deal with the fact that he'll need to leave in a month.

Hee Kyung must find a way to stop Jae Kyung before he himself ends up on his brother's hit list. Song Yi discovers the price Min Joon must pay if he stays with her.