The young couple Nora and Alec are on their way back from a long road trip. In a desert town they want to take a break, but when they wake up the next morning, they are no longer in the motel where they had actually checked in. Overnight, the by a group of crazed killers wearing animal masks, have been abducted. What would happen if people were treated like cattle for slaughter? On the farm, this horrific idea comes true. As Nora and Alec soon find out, they are not the only ones locked in cages, fattened up and fed only to be slaughtered, disemboweled and eaten as a delicacy by their torturers. For the young couple begins a fight for bare survival.

Catalyst is based on the real life story of lead actor April Morrow's experiences seeking treatment for a life-crippling eating disorder. Sam, An ambitious young woman coming to terms with the demons from her past, has finally agreed to accept treatment. On her first day at the remote treatment facility she meets many other girls all going through their own struggles, and her resolve is tested as she gets a small taste of the long road to recovery ahead of her.