A 60 year old medic tries to reconstruct a traumatic fact that changed his life while he is in the subway: the lost of his ten years old daughter.

On the way to his exile in Lisbon, Mario meets Silvia, a widow who turns out to be one of his admirers. Silvia has inherited a fortune, leading Mario to resume his career, eventually falling for him. Although Mario has relations with her, he makes it clear that will never fall in love. In Madrid, Juan Pepita and resume their relationship, and because of this the jilted Nena John Colman murders before Pepita, after being arrested. Pepita accepts a contract in Argentina, reunited with Mario. There he meets Tulio, who after starting a relationship with singer eventually ask marriage.