A spate of oil rig attacks has General Huba paying a long overdue visit to an old friend. Requesting Exobot assistance to tackle this mysterious marine menace, naturally the X-VENTURE Xplorers answer the call... only to be stood down! Itching to prove themselves and high on confidence after their latest sucess, our heroes hurtle headlong into aquatic action! With Exobots that exceed expectations, surely the senior team will succeed? One thing's for sure, not everything is as it seems when facing down this particular NAUTICAL NEMESIS!