A look at the SDU in the Royal Hong Kong Police Force - how members are selected, how they are trained, their lives, what they think, the relationships between SDU members and their friends and the pressures they face.
Michael Wong
as Stone Wong
Kam-Cheong Yung
as Ho Chi Wai
陳國邦
as Bond
李若彤
as May Lee
陳慧儀
as Windy
Kent Got Ying-Kin
as Ken
Ricky Lam
as
林超賢
as
Matthew Tang
as
Daai Ho-Fai
as
Paul Fonoroff
as Security Commissioner
Luk Man-Wai
as Frankie
