The drama centers around a newly formed department within the police force, the Cold Case Special Investigation Unit led by Hanson Mung Tan Sam along with Diana Dai On Na the policewoman who is not the strongest when it comes to being in the front line.
No. of episodes: 30
Genre: Police, Action, Comedy, Investigation
Native title: 陀槍師姐2021
Original network: TVB
Premiere: 25 Jan 2021