Bun, a schizophrenic, former police inspector comes out of retirement to help a rookie detective solve a complex murder case involving a missing colleague and a suspected policeman suffering from a multiple personality disorder.
劉青雲
as Inspector Chan Kwai Bun
安志傑
as Inspector Ho Ka-on
林家棟
as Ko Chi Wai
林熙蕾
as May Cheung
李國麟
as Wong Kwok Chu
Karen Lee Choi-Ling
as Gigi
陳慧珊
as May Cheung in Bun's Eyes
張兆輝
as Violent Man - Ko's Inner Personality
林雪
as Fatso - Ko's Inner Personality
劉錦玲
as Calculating Woman - Ko's Inner Personality
高雄
as The Chief
谷祖琳
as Ho Ka-on's Inner Personality
