My Father's Son (Chinese: 鬥氣一族; Jyutping: dau3 hei3 jat1 zuk6; literally "Elegant Transformation") is a 1988 Hong Kong modern comedy television drama created and produced by TVB, starring Ha Yu, Lau Dan, Angelina Lo, Stephen Chow, Sandra Ng, Dickson Lee, Bonnie Law and Cutie Mui as the main cast, produced by Catherina Tsang.

He falls in love with his customer Lee Siu Kiu (Angelina Lo) and finds excuses to see her.

One day while making a delivery to her home he sees her crying outside saying she has lost everything in the stock market.

Thinking marrying Siu Kiu will be good for his family since his sons have never had a mother figure in the lives before, however his sons Tang Ka Fat (Stephen Chow) and Tang Yuk Hin (Dickson Lee) feel uneasy suddenly having a new member in their family.

When he fails his university entrance exam his gets a job as a salesman, but also still helps out at the family poultry shop whenever he is free.

Also since he runs home often during the day he is aware of Siu Kiu's laziness and tries to expose her to other family remembers.

Their family is further complicated when Yuk Hin develops a crush on Yee and doesn't know that she is Yan Kit's daughter.

Relieved that she is not really related to Yuk Hin, Yee and him no longer hold back their feelings for each other and start dating.

During this time Yan Kit, who is trying to win Ellen back is overwhelmed and gets tricked by a worker at his company into signing a bad business deal.