Several people volunteer for a scientific experiment about mind-reading and memory, but the experiment goes horribly wrong.
A doctor experimenting with transplant techniques keeps his girlfriend's head alive when she is decapitated in a car crash, then goes hunting for a new body.
Hypnotist Dr. Caligari uses a somnambulist, Cesare, to commit murders.
A series of killings occur, with no suspects, the locals soon decide that Bigfoot is responsible.
