Mu Chen, a water delivery worker, finds his boss Yun Shu's designer handbag and remains true to himself despite facing all kinds of suspicion. Yun Shu kindly offers him help and sponsors his injured younger sister's medical treatment and education. Ten years later, Yun Shu falls on hard times and struggles to repay her debts. Mu Chen, now a successful businessman, has spent years searching for her. He not only helps her pay off all her debts but also reveals the feelings he has kept hidden for ten years. At last, the two join hands and stay by each other's side.