LUN is the leader among the gangster. YAU, KEUNG, CHEUNG are his good friends. They make a lot of troubles. During TO's five-years-old birthday, FUNG finds out that SHAN has a mistress and an illegitimate child, CHIU, outside. She goes mad and leaves. TO is reluctant to follow either his Mum and Dad. He rather stays with an old servant, AUNT HUNG. WANG mistakenly pushes the fireman leader down from a ladder in an action. He is then being fired. He becomes a motor driving teacher afterwards. Ten years later .... KAM thinks that his son, KIN will succeed him and becomes a tailor. However, KIN does not like to be a tailor. He always stays in the playground with LUN. KA}1 is very angry and believes that LUN has bad influence on KIN. One day, WANG rescues a baby bravely. The public praise him and regard him as the ideal Daddy. LUN sings in leisure for fun. He even wins the champion in a singing contest……