The protagonist, Lin Xin, a girl who has just graduated from college, encounters Han Chen, the bass player of the subway band who graduated from the Conservatory of Music, and develops a relationship. Later, he is betrayed by a colleague, loses a friend, and the relationship is in trouble. It turns out that everything has his destiny. His love with Han Chen has experienced storms and waves, and when he is about to "safely dock", Han Chen breaks the law because he stands up for his former girlfriend. In the end, should he pursue happiness or wait for love to go away? . . . . .