Two teenagers, both newcomers to London, forge an unlikely friendship over the course of a hot summer. Tomo is a runaway from Nottingham; Marek lives in the district of Somers Town, between King's Cross and Euston stations, where his dad is working on a new rail link. The boys are both infatuated with the same girl, and pass their days bickering over which of them loves her the most. Finding himself homeless, Tomo surreptitiously moves into Marek's bedroom - but it's only a matter of time before Marek's dad discovers what's going on...