Bomb disposal expert Ivan Yeung returns from England and happens to come across a grenade case by accident. Ivan's skills are highly appreciated by senior chemist Ko Yin-Bok and he is invited to join the Forensic Division. Meanwhile, other members of the team are caught in an explosive incident that ends up changing team dynamics.
Ko Yin-Bok (Timothy / Tim Sir)
Ma Kwok-Ying (Bell / Madam Ma)
Koo Chak-Sum (Sam / Dr. Koo)
Yeung Yat-Sing (Ivan)
Leung Siu-Yau (Nicole / Madam Leung)
Lam Ding-Ding
Sum Hung
Mok Suk-Woon (Yvonne)
Leung Siu-Kong (Fred)
Ling Sum-Yee (Josie)
Lam Pui-Pui
Mok Ching-Hong (Wilson)
Ching Wai-Shing (Edwin)
Fong Miu-Na (Formula)
Cheng Lai-Ling
Ma Kam-To
Kwok Yee-Fan
Ma Kwok-Wang (Ben)
Connie
Leung Hing-Lung
Ko To
Lau Tsun-Sek (Terence)
