Life in the Catholic Church of the Holy Redeemer in Detroit is upset by a series of killings whose victims are all priests and nuns. All victims are found with a black rosary in their hands. Father Koesler begins collaborating with the police but soon finds himself in a spot when the killer decides to choose him as confessor.

美国中央情报局调查员透纳，自从发现局内不可告人的勾当，就此身陷一连串灾难事件。一日，两名男子冲进办公室，狙杀所有的员工，唯有透纳有幸逃脱。