After suffering a disaster, the remaining crew of spaceship Ark One must band together to survive.

The crew struggles to establish a sense of order on the ship. Two investigations uncover more questions than answers.

All hope seems lost when the crew learns an asteroid is hours away from impact.

When their psyches are put to the test by hallucinations, the crew must race to find the cause.

Sacrifices must be made when a radiation leak sparks crisis.