A posh couple (Annie Belle, Christian Borromeo) thought it would be worth some laughs to invite their scruffy auto mechanics (David Hess, Giovanni Lombardo Radice) to the society soirée they were attending. Turns out the grease monkeys are psychotic killers... and they thank their patronizing hosts with a night of torture, degradation, and death! Gory thriller from Italy directed by Ruggero Deodato co-stars Lorraine de Selle, Brigitte Petronio. 92 min. Widescreen: Soundtrack: English (dubbed); audio commentary; interviews; theatrical trailer; more. Dubbed in English. Two-disc set.