You've been taking care of a kid that you've found on the street. His name is Zack. He's a poor boy,but you know nothing about him. So when he told you,you were pretty shocked.

One day,when you brought Zack to the mall,a tall,muscular guy approach you and tap your shoulder.

"That boy.. is my son I lost a long time ago." His voice were cold and his eyes were sharp as it stares at you.