When renowned director Werner Herzog and fellow filmmaker Zak Penn set off to explore the legend of Scotland's Loch Ness monster, they uncover much more than they bargained for. Unexplained sightings of the creature and chaos among the crew create an uneasy feeling that things aren't what they seem.

Shooting a music video aboard a tall ship, band SM6 discovers a partial treasure map. After reading the incantation on the map, a waterspout emerges and transports the ship back to an era where pirates rule the seven seas. As SM6 searches for a way back home, they run into dread pirate Blackbeard, the fearsome Kraken, and make an alliance with female pirate Anne Bonny.