Li Tian, a fishing enthusiast, encounters Gu Siyu who wants to commit suicide on a bridge, and accidentally persuades her to leave with a joke. Unexpectedly, the girl fell into the water again downstream and was caught by Li Tian's fishhook, and the two became friends. Li Tian took her in when she was homeless, and later learned that Gu Siyu was the daughter of the wrong girl. She was too late to recognize her relatives after she got lost. Li Tian helped her find her loved ones, but he uncovered a completely different secret. During the time they got along, the two changed from happy enemies to lovers, and became popular as travel bloggers together. When the parents of both parties met, they turned out to be former high school rivals. The two families were noisy and their life was lively and warm.
