All of humankind is threatened when U.N. Weapons Inspector Nathan Kane and the crew of the government research space station "Cold Harbor" become embroiled in a battle with Doors, a multi-planetary conglomerate staffed by indentured servants implanted with brain chips, over the discovery of a warrior race of humanoids one billion years old in suspended animation beneath the surface of the ocean on Jupiter's moon Europa.

"Originally published in single magazine form as Ocean #1-6"--Title page verso.