While battling the evil pirate LeChuck, Guybrush mistakenly unleashes an insidious pox that turns the Caribbean's buccaneers into unruly monsters. He sets sail to find a legendary voodoo sea sponge to stem the epidemic, unaware that a more sinister plot is afoot. Good and evil are not what they seem, and everything you think you know is challenged as Tales of Monkey Island builds to its explosive finale!