WHY DID YOU LEAVE ME

Yunlan a famous reporter is having a great time of his life he have fame and fortune as well as a little son, Wei wei. Suddenly his world was shaken when his former lover came back, Professor Shen Wei. And wanted to take their son away from him. What will Yunlan do? Will he fight for his son? What is the mystery why his lover Professor Shen Wei left him in the first place? Do Yunlan still have feelings for him?