WAI and CHEUNG have been friends for decades. Both are taxi-drivers. WAI helps CHEUNG to overcome financial difficulties. WAI's eldest son YAT and CHEUNG's eldest daughter SIN are lovers. WAI and CHEUNG want them to get married as soon as possible. However YAT refuses, thinking that it is a burden. One day, they see VAT and SIN sleeping together. CHEUNG's wife YUNG has an idea, tricking YAT that SIN is bearing a baby. VAT has to promise the marriage. YAT's brother CHUNG returns after his study. SIN's sister MAY thinks that she has a chance to approach CHUNG. In the marriage banquet, YAT is shocked when he knows that SIN is not having a baby. MAY is in deep grief when she learns that CHUNG has a new girlfriend - HEI.

After drinking a lot of wine, MAY goes to entangle YAT and SIN. Their first night after marriage is spoiled. CHUNG and HEI report to their new duty. They work in the same company with MAY. MAY tries to approach CHUNG. HEI has the confidence and does not mind. CHUNG feels bored and declares to MAY that he loves HEI only. However MAY does not give up. WAI and CHEUNG do not know that CHUNG has a new girlfriend. They think that CHUNG and MAY have a quarrel and thus they try to bridge them. CHUNG and MAY visit some old places where MAY gets hurt. CHUNG takes care of her and MAY thinks that he still loves her.

MAY thinks that HEI spoils her fame in front of her boss. She wants to give her a lesson. She arranges a trap, making KONG entangle HEI. However it discloses the relationship between CHUNG, MAY and HEI. MAY wants to kill herself but at last she realises that CHUNG has changed. She scolds CHUNG CHUNG is also blamed by other colleagues. HEI's parents YEUNG and WAI do not love each other but they pretend that they are happy in front of her. WAI breaks HEI's violin by mistake when he is working and they quarrel.

After making compensation, WAI finds that HEI is CHUNG's girlfriend. He is discontented. HEI also finds that WAI is a stubborn man. CHUNG is trapped between them. YAT is attracted by SEE in a fashion show. YAT copies SEE's design and produces some second-class product. SEE goes to question him. At last they agree to co-operate. MAY recovers and decides to take vengeance.

MAY returns to her duty. She always tricks CHUNG but CHUNG tolerates her. However she has gone too Tar and even lost CHUNG's important document. CHUNG and MAY are not scolded by KONG with HEI's aid. MAY feels ashamed. YEUNG and WAI argue as there is a scandal of YEUNG's secret lover. HEI is discontented and leave them. HEI feels lonely and suggests CHUNG to live with her. However CHUNG does not promise as he has a traditional mind. SHEUNG is entangles by a sex maniac and she is saved by HEI. She is impressed and wants to bridge WAI and HEI. She invites HEI to attend WAI's birthday banquet. However on they way, she finds that WAI's car collides with HEI's car and he does not stop.