S01E01 Episode 1
Twelve contestants are sent to a maximum security prison to participate in a reality show worth a millionaire prize. There, they are given the rules and face the first challenge.
Flashback before the beginning of Supermax shows the trajectory of Nonato, a simple and religious man, who lives in the surroundings of the Supermax. Nonato is forced to murder his wife and son, who were contaminated by a mysterious virus.
Twelve people are confined together in an abandoned maximum security prison in the middle of the Amazon forest, and end up having to fight for their lives against unknown creatures and supernatural odds.