When he was 14 years old, Gu Cheng lost his memory. What kind of secret is hidden in the lost memory? My parents said nothing about the past. Until I met the girl, the mystery was slowly revealed. Want to know all the secrets, but afraid to remember everything. I once heard this saying: Your life is not just yours. Does his life belong to his parents? From school? National? Or... A life that doesn't belong to him, how should he choose?