Tina discovers two strange artefacts near the bodies of the walrus-men. Klaus tries out the tube and sees the Russian ship away to the south.
Markus leads the way into the holes beneath the ice. He takes a bath.
Using the black ball, they free a group of Russians held captive by the walrus-men. The Russians tell them about the “crab-bats”. Reilly urges them not to arm the Russians.
They descend to the alien vessel. They are attacked by one of the crab-bats but drive it away.
They find four of the Italian survivors. The Russian political officer, Rushenko, offers a deal – give up Reilly in exchange for their return to Svalbard aboard the Russian ship.