Sophie and Paul (an aspiring musician) can't pay their London rent and turn to friends and family for support. Over the course of a summer, things go from bad to worse: The couple lose everything and find themselves lost in the underbelly of life on the streets. Though frustrated, their good humour and positivity land them odd jobs and a temporary shelter.
Brendan works solo shifts in the quietest toll booth in Wales, hiding from a criminal past where nobody would ever look. When he finally gets rumbled, word of his whereabouts gets out and his enemies head west for revenge. Meanwhile, local traffic cop Catrin’s investigation into a simple robbery finds her heading for the booth at exactly the wrong time.
A group of young urban explorers and a private military unit could become the final pieces in a 60-year plan to reopen a door that should have stayed closed. But what they unleashed could almost tear our world apart.