Two people that became close because of one incident, became best friends, alway there and protect each other . As time goes by they developed feelings  and realise that maybe he/she is the right person.  Will fate help them to be together? or they wil remain as Best Friend?

Cast:

Zhang Yixing/ Lay- secretly inlove with his best friend and planning to confess.

Leila- Best friend of Lay and has a crush on him