It is 2072, the UK is in turmoil after an apocalyptic event and a group of young people are camped out on the third floor of an office bloack in South East London. At the top of a ruthless hiearchy is Daddy, who has the only interent connection and promises that one day they will all be taken to safety in a red helicopter. But when a stranger from the North arrives looking for a girl who dissapeared from the group a year ago nothing can ever be the same again.