Yuk was raped by Wai. The gangs threaten her to work as a hooker for them in Shenzhen. Also, they trap Fan when she stows away to HK. They force her to be a prostitute to drugs. Chu is a graduate, he chooses prostitute for his thesis and he meets Fan and begs him to help her to escape, One day, Yuk meets her Grandma on the street. Grandma asks for Captain Fun's help. Fung offers money and persuades them to escape. However, Yuk goes to the disco and chop Lin…….