Natalia and Oriol, a couple of filmmakers in their thirties, have a little daughter called Lia. One day they receive an offer to direct a documentary and they decide to make a film about couples in love. Natalia and Oriol interview many couples, always wanting to know how they get along and what their most typical problems are. But as filming progresses, wounds in their own relationship begin to open, fights and doubts seem to be endless. But finishing the film will be their opportunity to reformulate their love for each other and their love for cinema.