기숙사 6인방은 교양 수업 과제를 위해 통영으로 출사 여행을 떠난다. 통영에서 그들에게 예상치 못한 일들이 벌어지는데...
Joo-ah is attacked by a man she met via an app. Min-ho, who can't forgive himself for what happened to Joo-ah despite being saved by Moon Joon, wants to delete the app he made. After that, they decided to go on a trip to Tongyeong with other dorm friends.
