A group of people are trapped in a West Berlin movie theater infested with ravenous demons who proceed to kill and possess the humans one-by-one, thereby multiplying their numbers.

Within the decadent walls of the Frankenstein mansion, the Baron and his depraved assistant Otto have discovered the means of creating new life. As the Baron’s laboratory begins to fill up with stitched body parts, the Baroness dallies with the randy new manservant and soon the decadent, permissive household is consumed by an outrageous, bizarre, and hilarious orgy of death and dismemberment.