The fate of an arm-wrestling match leads two rival brothers on an adventure through the streets of Lima, Peru. Armed with the spoils of victory, the boys must navigate many obstacles that stand in the way of their goal: a house party on the other side of the tracks and the hope of lost virginity.

Valeria and her former high school classmates reunite twenty-five years later at the place where they shared their last unforgettable summer. During the reunion, old rivalries resurface, leading them into hilarious situations where they will discover the true value of friendship and the weight of the past on the present.