马赛，一名连续作案的变态杀手在一些富人别墅里强暴女子之后，将被害人殴打致死。乾探路易·施耐德奉命展开调查。施耐德因女儿在几年前的一场车祸中丧生、妻子也终身伤残而心力交瘁，他变成了酒鬼。年轻女子茱丝蒂娜因25年前亲眼见到双亲被残酷杀害而难以克服过去的梦魇，而且她得知凶手即将被释放。她因凶手将获释一事而与施耐德走到一起。本片的导演奥利维埃·马夏尔当过警察，他曾于2004年推出《金银匠滨河路36号》（36 QUAI DES ORFEVRES，司法警察局局址）。《MR 73左轮枪》根据他1981年参与调查的一部真实案件改编，片名指的是马努兰厂（MANURHIN）1973年出厂的“巨蟒”357型左轮枪，法国宪警精锐部队都使用这种武器。

马赛，一名连续作案的变态杀手在一些富人别墅里强暴女子之后，将被害人殴打致死。乾探路易·施耐德奉命展开调查。施耐德因女儿在几年前的一场车祸中丧生、妻子也终身伤残而心力交瘁，他变成了酒鬼。年轻女子茱丝蒂娜因25年前亲眼见到双亲被残酷杀害而难以克服过去的梦魇，而且她得知凶手即将被释放。她因凶手将获释一事而与施耐德走到一起。本片的导演奥利维埃·马夏尔当过警察，他曾于2004年推出《金银匠滨河路36号》（36 QUAI DES ORFEVRES，司法警察局局址）。《MR 73左轮枪》根据他1981年参与...

A private detective helps a prostitute being assaulted, and notices that she is wearing a very unique ring. She is later found murdered and there is no trace of the ring, which turns out to be part of a cache of jewelry stolen by the Nazis during World War II and smuggled out of France after the wary by an American army colonel. The private eye decides to try to find the ring, is hired by the former colonel to find the rest of the jewels, and runs up against a murderous French gang that is also looking for the jewels.

A private detective helps a prostitute being assaulted, and notices that she is wearing a very unique ring. She is later found murdered and there is no trace of the ring, which turns out to be part of a cache of jewelry stolen by the Nazis during World War II and smuggled out of France after the wary by an American army colonel. The private eye decides to try to find the ring, is hired by the former colonel to find the rest of the jewels, and runs up against a murderous French gang that is also looking for the jewels.

丽塔家遭到了帮派暴力的袭击，她在本地治里的平静生活就此被打破。她必须凭借自己的智慧和勇气来保护家人免受危险歹徒的伤害。

刑警张国辉刚与太太分开，心情低落，更影响工作效率。一天下班，他惊见大作家嘉莹及一小女孩芬在其家，原来辉的太太已把两个单位的其中之一卖给了莹，两人遂由水火不容演变成日久生情。岂料，莹有女儿的秘密却被传媒揭露出来，莹误会是辉向传媒爆料，一怒之下便与小芬搬走了。此时，辉发觉一械劫案主犯Ray原来潜藏在莹的身边……

刑警张国辉刚与太太分开，心情低落，更影响工作效率。一天下班，他惊见大作家嘉莹及一小女孩芬在其家，原来辉的太太已把两个单位的其中之一卖给了莹，两人遂由水火不容演变成日久生情。岂料，莹有女儿的秘密却被传媒揭露出来，莹误会是辉向传媒爆料，一怒之下便与小芬搬走了。此时，辉发觉一械劫案主犯Ray原来潜藏在莹的身边……

An inspector is having a secret relationship with a woman. When she is murdered by his boss, all proof is against him.