An exploration mission to a frozen ocean moon of Saturn goes terribly wrong, stranding the crew beneath the ice and sinking through dangerous depths. They must make it back to the surface before their air runs out or they're hunted down in the deeps.
An exploration mission to a frozen ocean moon of Saturn goes terribly wrong, stranding the crew beneath the ice and sinking through dangerous depths. They must make it back to the surface before their air runs out or they're hunted down in the deeps.
