The Stingray crew discover an ancient diving bell that leads them on an expeditionary voyage through the freezing waters of Antarctica to the land of a lost civilisation. Close on the heels of Troy Tempest and the pride of the World Aquanaut Security Patrol is the evil undersea ruler Titan. Ahead of them are strange creatures who inhabit underground waterways and an otherworldly force with hidden powers strong enough to overwhelm even Stingray' s defences. Stand by for action as the mighty Stingray launches again in this classic adventure!