A serial rapist rapes a girl with mental disability for wearing a red dress, which triggers him. Now the girl's social worker vows to get revenge on the rapist.

Lily Chung Suk-wai
as Ming-Ming Yuk Kong

Money Lo Man-yee
as Ka Lok Cheung

Ben Ng Ngai-cheung
as Chi Wai Chan

Bobby Yip Kin-sang
as Ugly Mental Patient

Hui Sze-man
as

Andy Tai Chi-wai
as