Noah, a young man in search of his identity, is invited by his best friend, Ethan, to undertake an expedition organized by his gang in the bowels of the underground. In this in-between world, where they compete to find their place, Ethan challenges the teens to a deadly feat: jump over the tracks before the train arrives. Risking his life seems to be the only way for Noah to be accepted and more importantly to exist in Ethan's eyes.