Aquaman and Aqualad are astonished to discover that their Water-Sprite ally, Quisp, has turned to evil. Quisp attacks them and hijacks a cargo ship. They soon learn however, that this is in fact, not the real Quisp, but his twin brother - Quink. Quink is working alongside a pirate named Captain Slade. Slade manipulated the impressionable Quink into believing that Aquaman w Aquaman and Aqualad are astonished to discover that their Water-Sprite ally, Quisp, has turned to evil. Quisp attacks them and hijacks a cargo ship. They soon learn however, that this is in fact, not the real Quisp, but his twin brother - Quink. Quink is working alongside a pirate named Captain Slade. Slade manipulated the impressionable Quink into believing that Aquaman was evil and set him off to defeat him. Meanwhile, a third Water-Sprite, Quirk is found conducting mischievous acts of his own. Aquaman convinces Quink that Captain Slade is the true pirate, and together they join forces to stop him.