The villain: Chris He used to be a champion swimmer, and earned millions since he is really fast, but because his leg was injured and amputated during a car crash, he cannot participate in swimming competitions, and he became poor, because of the car crash, he hates society and kidnaps children for ransom, because of his respect and also his ex-society status, the police has no suspicion towards him, and making him more carefree when kidnapping children.
Chris is a criminal and commits crime, he does this in revenge of Ben having to do everything, this lead to the kidnapping of the protagonist.