Marcos and Ana have been married for twenty five years. With the departure of their only son off to college abroad, the couple falls into a deep existential crisis. Without further commotion they decide to separate, as if it were a new project together, a common agreement. The single life, intense and fascinating at first, soon raises new questions and uncertainties. Marcos and Ana question the meaning of love, fidelity, and the nature of desire. Together they make a decision that will change their lives forever.