Peter YANG, an orphan, works very hard to support his younger brother Larry. Unfortunately, having his investment all lost in the stock market, he is forced to borrow money from a loan-shark named Paul CHOW at very high interest rates. In order to pay back the loan he turns to gambling. Larry is admired by Helen CHUNG who soon becomes his close and intimate friend. Peter, meanwhile, wins a considerable sum of money with the help of Bobby CHU, a skillful and honest gambler. This infuriates Tommy CHAO, a ruthless gambler, who secretly tries to attack Peter and his fiancee Lily. Failing in his attempt, he cheats Peter at the gambling table. Unable to pay his debt, Peter reluctantly accepts Tommy’s conditions and agrees to set up a game to cheat Tycoon Henry CHUNG of his money.
孤兒彼得不幸投資股票失敗,為了弟弟賴利,他唯有向保羅借貴利。後來,無計可施下,彼得希望能夠在賭博上獲利償還借貸。最終彼得未能償還貴利,不得不接受賭徒湯米之提議,開設賭局欺騙富商亨利。當賴利知道女朋友海倫的父親是亨利後,大力反對。後來,得到朋友波比的幫助,從湯米手上取回亨利的金錢,這引致湯米與保羅合作。