杰仔生性好动，一时意气用事与黑帮青年斗车，将黑帮青年之电单车撞毁，黑帮青年纠党往车行报复，将车房汽车毁坏，杰仔为讨回公道，往黑帮开设之地下赌场，利用契爷传授之千术，对付黑帮老大郭善，善表面是正当商人，暗地里经营着黄、赌、毒生意，无恶不作。因为杰仔在赌场捣乱，善派人将车房尽毁，杰请出契爷帮忙，契爷伙同拍档朱金斗，将千门中计中计、反间计等计谋使出，让善输地一败涂地……

A combination of God Of Gamblers and The Sting. Git is a young mechanic working for his uncle in a small garage. Git's cousin is tricked out of a large amount of money by a card sharp, and Git promises revenge. But the card sharp, called "Card Devil", works for the ruthless gang boss Kwok, and Git is also tricked. Having pledged the garage against the debt, Git desperately seeks the assistance of the one man who is up to the task of tricking the crooks, Ghost Eye.