Danny (Richard Pawulski), a teenager with autism, escapes the inner city for the beautiful countryside as part of his Duke of Edinburgh Award scheme. Little does he know, that bitter Nicholas (Danny Miller) is hunting him, stemming from a lie created by the enamoured and envious Julia (Natalie Martins) and Calvin (Reece Douglas). As the three close in on Danny, Nicholas' behaviour becomes increasingly erratic and violent, and Julia and Calvin must decide whether to go through with Nicholas' deadly plan.

Solar debris crashes down to Earth, causing widespread destruction and unleashing solar radiation around the world. As genetic mutations rapidly spread, a group of friends must fight to stay alive and escape the chaos.