A middle-aged man catches gambling fever from a slot machine that he believes is calling his name.
Mr. and Mrs. Franklin Gibbs, three days and two nights all expenses paid at a Las Vegas hotel, won by virtue of Mrs. Gibbs's knack with a phrase. But unbeknownst to either Mr. and Mrs. Gibbs is the fact that there's a prize in their package, neither expected nor bargained for. In just a moment, one of them will succumb to an illness worse than any virus can produce. A most inoperative, deadly life-shattering affliction known as the Fever.
Mr. Franklin Gibbs, visitor to Las Vegas, who lost his money, his reason, and finally his life to an inanimate, metal machine, variously described as a 'one-armed bandit', a 'slot machine', or, in Mr. Franklin Gibbs' words, a 'monster with a will all of its own.' For our purposes, we'll stick with the latter definition because we're in the Twilight Zone.