Two rival Taoist schools, one all-female, the other one all-male, have to ally to fight a demon as one of the priestesses is unaware that she's the daughter of the demon and has to loose her virginity to avoid turning into a demon herself.
Rainbow is a prostitute who lives in a phone sex company, hoping to save up enough money to pay for the operation that will restore her sight. One day, she meets a dashing vampire named Ching Fung and falls in love with him.