Bai Luoyin has grown up with his easygoing father and grandmother, while Gu Hai, the son of a high-ranking official, harbors resentment toward his father after his mother’s death. When Bai Luoyin’s estranged mother marries Gu Hai’s father, fate brings the two boys together as classmates. Despite their contrasting backgrounds and initial tensions, their relationship gradually takes an unexpected turn.