His older half-brother Cheung Ga Ming also joins the Hong Kong police force after graduating from university.

The series stars new cast members Margie Tsang, Chow Yun Fat, Jaime Chik, and Simon Yam.

[2] The second and final sequel, "Police Cadet '88" focuses on the characters' rise through the ranks as CID officers dealing with criminal activities.

The rest of the main cast includes Sheren Tang, Eddy Ko, Dominic Lam, Carrie Ng, and Chingmy Yau.

A 2004 Hong Kong film called "Moving Targets" (Chinese title "2004新紮師兄") starring Nicolas Tse, Edison Chen, Simon Yam, and Gillian Chung is based on this drama series.