Big Nose Pao is a faithful and honest constable that has been tasked to arrest Three Hands, a pickpocket. However, each time the pickpocket is caught, he's released by the lack of evidence. Although Three Hands steals for a living, the money that he takes from the rich people, is spent on the seven poor orphans with whom he lives in an old shaky church.

When a gambling boss named ends up dead, he leaves his two sons, Chia Chin and Chia Kang in the custody of his good friend Chiptooth. While beset by temptations on all sides, Chia Chin tries his best to make an honest living for himself while his brother Chia Kang ends up running with the wrong crowd and gets into all sorts of trouble.