When Ya Wang (plays by Lu Shan) was 16, she
was told to take care the 10 year- old Xia Mu
(plays by Kris Wu), who lost his family. He was
self-isolated, but slowly accepts Ya Wang's
care. However, Ya Wang meets Wei Ran (plays by
Joo Won) in college while her own boyfriend
Xiao Tian (plays by Han Geng) is in the army?