Lin Xiao's parents died when he was young, and he was adopted by the Lin family. He and Lin Yuqing, the only daughter of the Lin family, became nominal siblings. The two were in the same class. Lin Yuqing was recognized by the whole school as the class beauty, and her attitude toward Lin Xiao was always "I hate you the most." An island study tour organized by the school encountered a storm. Lin Xiao, Lin Yuqing and three other female classmates drifted to an uninhabited island and began a 49-day journey of desert island survival and emotional collision.
