Three very distinct groups and their stories play centerfold to the world of "Roaming Hungry". Wreath, a 24 year old mama's boy, is forced to leave his house to find a job by his mother. In this effort to find employment, he accidentally hits the first trace of zombie in the apocalypse, a zombified girl by the name of Sarah . Wreath takes care of the zombie in secret whilst feeding it and eventually falling in love with it in his garage. In a different light, a trio consisting of a girl named Stella and her two contesting love interests, Josh and Brendan find themselves trapped in a provincial park amidst the zombie invasion, struggling for survival. And last but not least, two stoners, Carl and Reggie venture on a vacation up a mountain to escape the looming apocalypse only to find themselves on the trail of a strangely agile zombie clown who will stop at nothing to devour the brains of them both.
Depressed single mom Adele and her son Henry offer a wounded, fearsome man a ride. As police search town for the escaped convict, the mother and son gradually learn his true story as their options become increasingly limited.
When the crew of the Enterprise is called back home, they find an unstoppable force of terror from within their own organization has detonated the fleet and everything it stands for, leaving our world in a state of crisis.
In a future where a failed global-warming experiment kills off most life on the planet, a class system evolves aboard the Snowpiercer, a train that travels around the globe via a perpetual-motion engine.