Eight years later, a new mission begins: Capture an asteroid. Aleida and Danielle are still haunted by events from the past.

New Helios employees arrive on Mars as NASA undergoes major changes.

Miles tries to make ends meet. Margo finds herself pulled into a dangerous situation.

An accident on Mars strains relationships, while Miles embarks on a risky venture.

A discovery sends teams across Earth and Mars scrambling for answers.