A man is running, followed by a priest. He comes across a house but the tall gates are locked so he begins to climb them, however he slips at the top and impales himself on the spikes. Injured to death he's taken to an hospital. Once there, the doctors discover that this man has an amazing regenerative power and his blood coagulates very quickly, making him almost indestructible. Sergeant Ben Engleman is put on the case, and he finds out that the priest has the answers: this man, Mikos Stenopolis, is the result of a nuclear scientific experiment gone wrong. He's now completely insane and will kill everybody who crosses his path, showing no mercy.