Terror and twisted love on an isolated outpost in the vastness of deep space. Adam and Alex are two scientists stationed deep beneath the barren surface of Saturn's moon, Titan. They live in a space-age Eden, seeking new forms of food for an exhausted planet Earth. Captain James, a murderous psychopath, reaches Titan and cuts off communication with the rest of the solar system. Aided by his 'helper robot' Hector, James reduces life at the space station to one of survival. The robot becomes violently unmanageable and tears James apart. For Adam and Alex their only hope is to flee the planet. But the homicidal robot stands in their way...