某日，高高在上的警務處助理處長Josephine (邵美琪)忽然現身西區警署，親自重審一宗雞毛蒜皮的女童虐殺案。一個十一歲女童在家中被其生母-碧琪 (唐寧)打死。碧琪早巳承認殺兒，而同居男友(彭敬慈)亦被控強姦小女兒(羅芷晴)。瘋狂的Josephine苦苦相迫，一場接一場的酷刑迫供真實重現銀幕。督察貓姐(張文慈)，總督察Barbara(呂慧儀) 及沙展IVY(鄧上文)各施奇謀，協助Josephine嚴刑迫供。碧琪受盡凌辱，但仍拒絕承認默許同居男友性侵犯小女兒。
究竟是女警務處長Josephine滅絕人性，濫權虐待女犯？還是女犯人碧琪說謊，自作自受？
碧琪最後選擇在獄中割脈自盡，究竟一個弱不禁風的小女子，有可不可告人的秘密？
是否…「女人天生就註定要給男人搞」就是真理？

Respectable Police Commissioner Josephine reinvestigates an insignificant murder case of 11 years old girl,
The murder is her mother of the victim, Becky.  Under intense interrogation,  Becky refused to admit that she knew all along that her boyfriend was raping her little daughter at home.The harsh interrogation drives Becky into killing herself.  What is the truth that the raping Commissioner is trying to find out  ?   What is the seemingly defenseless mother hiding ?   Or is she actually telling the truth ?
Is the phrase,  "A woman is born to give her body to men.". the whole truth ?