The lives and experiences of two special children (Li Jun and Chen Xiaoxin). Li Jun became an orphan after Mr. Luo's lover (Li Jiamei) was killed. Chen Xiaoxin's mother adopted Li Jun, and the family of three lived a happy life. However, the good times did not last long. Chen Xiaoxin's mother passed away, and Li Jun also disappeared. This disappearance lasted for 15 years. What have their lives been like in 15 years? What will it be like 15 years from now?