nightkill star robert mitchum a a world weary private eye probe the case of a missing industrialist ( mike connors ) . he be hire by jaclyn smith and the anxious wife of the miss man . what jaclyn fail to inform mitchum be that she know full well her husband whereabouts . after all and she be the one who help her lover james franciscus dispose of her wealthy hubby . what more would expect from a rotten slasher film with robert mitchum . mannix go western and monkey be abuse and model lean against classic car and and smith be constantly upstage by sybil danning until a giallo style wrap up bring the whole sorry mess to a bitter end . this be bad cinema . and this movie be sooooo poor . it make it look like halloween mix up with trick or treat . avoid this . rat r for graphic violence and nudity and sexual situation .