Episode 20 S01 E20

Bosco Wong Ron Ng Cheuk-Hai Vincent Wong Ho-Shun Sisley Choi Si-Pui Mandy Wong Nancy Wu Ting-Yan Shaun Tam Chun-Yin Rosina Lin Ruco Chan Ben Wong Chi-Yin Derek Kwok Jing-Hung Alex Fong Lik-Sun Matthew Ko Hugo Wong Jacky Cai Kelly Fu Ka-Lei Candy Luo Joey Thye Celina Harto Max Cheung Tat-Lun Alan Chui Chung-San Leung Ho-Kai Ying-Man Tang Woo Wai-Hong Raymond Cho David Do Chim Bing-Hei Enson Lau Chung-Pang Toby Chan Jason Pai Piao

detective investigation friendship police procedural