无依无靠的少女紫苑（久野真紀子 饰）自由生活在教会中，她从激进的神父那里学到的不是爱，而是无休止的憎恨。在童年的时候，紫苑便被选为神的战士，作为杀手接受训练。多年以来，她的世界里只有冷酷无情的杀戮。 某夜，紫苑奉神父之命前往多摩市，刺杀黑社会头目石崎。她所到之处，不留一个活口，凡目睹其杀人现场者必定丧命。某三流杂志记者佐久间和伊东（ジョニー大倉 饰）尾随其后，拍下了紫苑行凶的全过程。然而他们的行迹暴露，最终佐久间牺牲自己，让伊东带着胶片逃命。由于涉及宗教团体等敏感部门，伊东所在出版社拒绝披露这组照片。与此同时，紫苑也悄悄赶到伊东的住所。这一次相遇改变了他们彼此的命运…… 本片根据花村万月的原著《紫苑》改编。

A wife charges her husband with sexual battery. He escapes from the police and goes into hiding. In three years, she divorces him and tries to put the pieces of her life back in order, when suddenly he returns. Obsessed with rage and hatred, he kidnaps her and brings her to a house in a remote wooded area. There he disciplines her vehemently, subjecting her to increasingly shocking forms of sexual torture, tetherings, suspensions and humiliations. Astonishingly, through the rage and lust, the pair develops a relationship that pushes the boundaries of lurid passions and perverse obsessions.