This is a story about 4 childhood friends named Qing Qing, Ruo Mei, Cai Zhu, and Ma Jun. Ruo Mei is in love with Ma Jun, but he does not return her feelings. Qing Qing and Cai Zhu have been dating for a couple of years, but are suddenly faced with obstacles when Cai Zhu's birth mother returns. She does not approve of Qing Qing and tries to end their relationship.