In the course of a routine police raid Detective Inspector Frank Frolich of the Oslo Police saves the lovely Elizabeth Faremo from getting inadvertently caught in crossfire. When he runs into her again some weeks later, apparently coincidentally, they begin an affair. By the time he learns that she is the sister of Jonny Faremo, wanted member of a larceny gang, it is already too late. Then in the middle of the night Frolich receives a phone call. A young guard has been killed in the course of an attempted break-in. Meanwhile, Elizabeth has vanished from Frolich's bed. Suspected, suspended, and blindly in love, Frolich must find out if he is being used before his life unravels beyond repair. K.O. Dahl serves up a hard-boiled psychological crime thriller. Complex, dark and tragic, The Fourth Man is a tale of revenge and erotic obsession, wherein love lures a good cop to walk on the wild side.