Paz Vega, Jorge Sanz
Ricardo and Felipe are in charge of leading a group of family children to a summer camp in Asturias. The train they're traveling on departs before schedule while they're on the platform and leaves the unsupervised children inside. Ricardo and Felipe start an against-the-clock eventful chase trying to get onto the train before it reaches destination while the cheeky children try to avoid the train paranoid ticket collector with cunning tricks.