The quiet life of the wealthy Castro Silva family is abruptly shattered when the patriarch, Mário, dies in a fatal car crash alongside his young mistress, Terry. At the mortuary, Mário's widow, Cristina (Carmen Dolores), discovers that the young mistress's father is António (Virgílio Teixeira), her own long-lost youth romance. As reignited passion draws Cristina and António back together, additional marital secrets unravel: Cristina's daughter, Isabel (Fernanda Torres), is actively attempting to divorce her husband Henrique (Mário Viegas) while carrying on a secret affair with the family butler, Manuel (Vítor Norte). Complications reach a climax when Isabel also finds herself falling for António, culminating in chaos during a family weekend getaway.