KL 5 flies past the Asteroid belt. When the alarm sounds, Kingston fears the worst nevertheless he consents to accompany Anna to a remote point of KL 5 where they can observe the approaching belt.

Kingston and Anna are excited by the rapidly approaching Christmas Holiday. The adults however are busy with fuel reserves and making preparations for a rendezvous with an unmanned courier ship.

The space station is heading off course towards the sun. The adults try to save the children by placing them in the tug and using it as a life boat.