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.

A vigilante group of conspiracy theorists do their best to sabotage the UK government's efforts to vaccinate the population against the TAWN-19 virus.