CHEUK is engaged in a joint investment venture with Wing Wah, a Canadian corporation. He suffers from business setbacks, and decides to use the capital of Wing Wah. TZE-WAH is bored working in an office. He is only happy when he accompanies CHEUK to the night club, where he is faltered by the call girls. CHOU WING-KING, the representative of Wing Wah arrives in Hong Kong. FONG MAN-YING is his assistant. WAI-KIT learns that MAN-YING is doing business with CHEUK. He bids her subtly to be careful of CHEUK. WING-NING discovers that CHEUK has used the fund for his private use. He gives him one month to return all the money. Having no other alternative, CHEUK starts trafficking drugs.