- Drama Title: Armed Reaction 2021 (陀槍師姐2021)
- Origin: China
- Release Date: Jan 25, 2021 - Mar 5, 2021
- Episodes: 30
This drama is the fifth series, and is one of the eleven featured dramas of the 2020 Hong Kong International Film and Television Festival . This play is one of the fourteen episodes of the 2021 wireless program tour .
- Jessica Hsuan as Dai On Na / "Diana"
- Moses Chan as Mung Tan Sam
- Joyce Tang as Chan Sam Yuen / "Sammy"
- Him Law as Lau Tak Wa
- Benz Hui as Lok Yik Wang
- Tony Hung as Ronald