As a toxin begins to turn the residents of Ogden Marsh, Iowa into violent psychopaths, sheriff David Dutton (Olyphant) tries to make sense of the situation while he, his wife (Mitchell), and two other unaffected townspeople band together in a fight for survival.
Becca Darling: This is really happening... Judy Dutton: It's gonna be alright, we're gonna be ok. Becca Darling: You don't really believe that, do you?
