Lee Chak-Sing, a rich playboy is blown up by a Mafia boss when flirting his daughter. To save his life, his professor turns him to a synthetic body that allows him to change into a variety of household products like a microwave and toothpaste. After that, Lee Chow works at a school famous for its rody students and disciplines them all. He also found the love with one of his former classmate, but before their wedding, the Mafia boss discovers that Lee is still alive. He decides to turn himself to human-robot state to take him down forever.