Two of a Kind (Chinese: 淘氣雙子星; Jyutping: tou4 hei3 soeng1 zi2 sing1; literally "Naughty Gemini") is a 1989 Hong Kong modern teen television drama created and produced by TVB, starring Hacken Lee, Paul Wong, Yu Sin Man, Cutie Mui, Steve Wong, Aaron Kwok, Paul Chun, Kiki Sheung as the main cast and was produced by popular TVB producer Mui Siu-ching.

[1] Fed up with being mistreated by his new step-father and his mother not caring Cha Sing Yu (Hacken Lee) boards a plane from the U.S. and runs away to Hong Kong to look for his father.

Their dad comes home finding the both of them drunk and that Sing Yu has returned to Hong Kong alone.

Sing Yu must choose to follow his dreams of becoming a tennis player or continue his university studies.

While Sing Chow comes to terms that Yan Yin does not have romantic feelings for him and must move on with his life.