Episode 1
A group of teenagers gather at their high school for Saturday detention, only to be trapped inside when the chemical plant in their small town explodes.
Episode 2
The group tends to their sick classmates, but they soon discover that the peculiar illness is more than meets the eye.
Episode 3
Grover fights to protect Mary. Diesel and Natalie share a secret. Barrett works to contact the outside world.
Episode 4
A new deadly threat turns the survivors against each other. Barrett suggests an unpopular way to gather more information on the freaks.
Episode 5
Lashawn is acting strangely, and the kids begin to suspect he might be infected. Zoe and Barrett strike an uneasy alliance.
Episode 6
Running low on resources, Violet and Zoe take on a dangerous mission. Zoe and Natalie address their past.
Episode 7
A potentially deadly trip into the fallout shelter puts one of the group in grave danger. Grover learns disturbing information about Barrett.
Episode 8
One of the group must venture outside to look for help. Diesel reassesses his relationship with Natalie.
Episode 9
The arrival of someone at the school may represent new hope for the group. Grover decides if he can trust Violet with his secret.
Episode 10
Things come to a head when a traitor is revealed. One of the group makes a sacrifice as more secrets about the explosion are brought to light.
