On the verge of a break-up, a couple go on vacation with its three children in the family home. They decided to divorce right after Christmas, without warning their children not to ruin the party. But they discover the decision and decide to lock their parents up until they reconcile.

Raixa estate, June 24, 1939. Sergi Forteza, son of the landowner, falls in love with Irina Dols, niece of the foreman, during the celebration of the summer solstice party.