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

The crew struggles to establish order, while 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.

Angus and Alicia try to figure out how to take advantage of the new element; the radiation leak causes mayhem throughout the ship, resulting in multiple deaths; the murder investigation takes an unusual turn.

The crew must devise a plan after identifying a planet rich in much-needed fuel.