NGOR misses her husband and she goes to street. There she comes across CHI. Though it is a casual chat, special feelings are found deep in their hearts. CHI thinks that NGOR has got married. Later he learns that NGOR lives with her son and she had not got married when she gave birth to her son. He finds it strange. One day CHI sees NGOR and FAI in the street. He finds it suspicious. The next day, NGOR comes to warn CHI not to spoil her son's future. FONG persuades CHI to lead a new life. CHI meets his old friend MU. As CHI saved MU in the past, MU arranges a job for him in his watch factory. FAI is in charge of the case of forgery watches. MU is his target and he makes a plan to arrest the criminals.