百万富翁理查德·特莱诺尔正在庆祝他的新日历取得了巨大的成功。然而,当一月小姐被推下大楼的时候,聚会就被破坏了,那天晚上二月小姐被刀刺死。警察中尉Dan Stoner被指派负责此案,他立即与摄影师Cassie Bascomb建立了友谊。在丹调查案件期间,卡西遭到袭击。她和这个案子有什么关系?凶手在12月小姐到达之前会被抓住吗?Millionaire Richard Trainor is celebrating the fact that his new calendar featuring twelve nude woman is a huge success. However the party is ruined when Miss January is pushed off a building and later on that night Miss February is knifed to death. Policeman Lieutenant Dan Stoner is assigned to the case and he immediately strikes a friendship with photographer Cassie Bascomb. While Dan investigates the case Cassie is attacked. What connection is she to the case and will the killer be caught before he/she reached Miss December.