Yoo Si jin tells Mo Yeon to operate her patient and commands his team to protect them, even when this means to disobey a direct order from above. While it's still unknown whether their patient will recover, Yoo Si Jin will face the consequences for his disobedience.

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.