Yoo Si Jin recognized a person he captured before, but bumps into a more unpleasant surprise, while Kang Mo Yeon is stuck in her car hanging over a cliff as she didn't pay attention to traffic ahead of her.

Yoo Si Jin returns to Korea to attend his father's retirement celebration from the Army. The medical team have packed their stuff and is ready to leave, when suddenly an earthquake changes their entire plan.

During the rescue operation in Urk, Yoo Si Jin forces Kang Mo Yeon to make an impossible decision.