Four strangers — a flight attendant escaping a suburban cult, an Afghan refugee fleeing persecution, a young Australian father escaping a dead-end job, and a bureaucrat caught up in a national scandal — are stuck in an immigration detention center in the Australian desert. Inspired by true events.

Follow four groups of elite action-adventure athletes on four unique, never-before-accomplished missions taking place around the globe, within awe-inspiring, undiscovered realms of nature.