It's a heartwarming story about five honest people, who live their lifes facing difficulties, Three guys and two girls from different  social backgrounds meet and became friends, and later lovers. Lee Seung Gi, Park Chanyeol and Shim Changmin work hard day and night as fishermen in Jeju-do. Those three guys have different stories: Seung Gi forgot how to smile while taking care of his brother and mother; Chanyeol, who just graduated from high school, is still has some faith in life; Changmin is a smart guy, who was forced to become cold as ice. But one day these three guys meet Yoona and Tiffany from chaebol families. From the moment guys meet girls, their lives change.