When the King Rat goes missing from the catacombs beneath Las Vegas, Calvin Wampler unknowingly answers the call to track it down…undercover and underground, Calvin will face his most horrific challenge yet - and the stakes couldn’t be any higher, for it is rumored that whosoever possesses the King Rat can control the city's homeless hordes telepathically…when an all-star cast of Vegas wanna-bes and wash-outs show up to join the quest, hilarity - and horror - ensues...