[4] A photographer (John Heard) and a soup kitchen owner (Daniel Stern) discover that the city’s homeless population, particularly those who live in the underground tunnels, are disappearing. They can’t get law enforcement to care, however, until a few above-ground citizens are discovered mutilated. A conspiracy involving toxic waste is uncovered and the culprit is revealed: cannibalistic humanoid underground dwellers. Or, C.H.U.D.s, for short. C.H.U.D. …