The young man, who has come to Hainan alone to repeat his studies, meets a group of "salty boys" with similar taste and a group of "weed girls" with different backgrounds.

Bai Xiaoyu meets Wang Jinjin for the first time in the summer of 2010 during their college entrance exams. However, she slips through his fingers and they don’t see each other again until an unexpected meeting during college graduation season. The pair fall in love and date, but marriage seems impossible when they come from such different worlds. Bai Xiaoyu fears he will lose Jinjin once again like before.