After the end of a global war, the world's left with famine and a ack of basic resources. People have turned on each other, in an effort to hoard whatever food's left, others to cannibalism. A deadly virusu it's killing the few who remain. Claire, a lone girl treks across this dangerous wasteland in search of food and water. Work her meagre supplies running low, Claire's left to fight hordes of killers wherever she goes.

A newly divorced young woman, Jude, finds a mysterious, grotesque looking root on her hike and decides to take it home; as she cares for it, she notices that the root changes its appearance. But the change is far from being physical and she soon finds out that there is something far more sinister at play than it being just a ordinary plant. Plagued by horrid and violent hallucinations, Jude fights for her own survival.