Anna returns from Africa, where he worked two years in an NGO, and is hired as a security guard at an exclusive health center on the outskirts of Barcelona. By breaking with her ​​boyfriend and go home, a colleague leaves a camper as temporary housing. Spend a few weeks on a wilderness camping and then installed in the parking lot of a service area of the highway. On a night patrol work meets a young, admitted by court order, do not walk because of paralysis and refuses to reveal his identity.