The crew discovers that Captain Shanks is a member of a world-manipulating secret society, the Brotherhood of Neptune. However, this means that he has to put them all through the initiation process (including long-winded oaths and drinking human blood through a crazy straw).
This soon proves to be a mistake, as they start using the Captain’s new mystical trinket, the Trident of Neptune, to fulfill their petty whims. When Stormy takes the trident for a joyride (literally and figuratively), can Shanks get it back before Stormy awakens the dreaded Kraken, AND before Shanks gets in trouble with his superiors?