The government is keen to hush up a series of mysterious deaths at the Merrymount Institute, an underground archival facility. Mad as Hell determines that the victims were ripped apart by a crocodile or other large lizard.

A series of deaths seem to have nothing in common. Probing the murders uncovers a link: each victim was related to a hot-tempered Cajun. However the Cajun has an iron-clad alibi: he's been in a coma for weeks!