After a heartbreaking miscarriage, a couple adopts a stray male dog in hopes of saving their rocky marriage. But as the wife develops an obsessive bond with her new companion, it will trigger jealousies and rivalries that may lead to the most inconceivable act of all.

Cebrian, a blast furnace worker Asturian, being held at the Civil Guard barracks. There has to be accountable for the disasters in a day of party with two friends.