吴宇森作品Once a Thief is an action/comedy/romance movie involving the plight of three master thieves (in the mode of Pink Panther). All three were raised by the same father and in fact were most certainly street orphans. The story begins with a successful art heist followed by a pledge to make this the last crime ever for the trio. The plot revolves around the theft of a mysterious cursed painting and how its obsession affects the family.祖、占、红豆3人是盗画飞贼，在祖的养父策划下，从法国博物馆盗出一幅名画。香港警官奉命调查此案，他是祖、占和红豆的干爹，在查出幕后主使是养父后烦恼不已。养父与法国大哥在祖和占再次得手后杀人灭口，祖为救占不幸中弹，连人带车冲向大海。几年后，与祖相恋的红豆嫁给了占，两人从警官处得知祖尚在人间，且养父乃当年暗算他们3 人的谋划人。于是他们找到祖，3人联手同曾江展开血战，尽报前仇。