After the death of Queen Mercedes, Alfonso XII's first wife, the problem of the succession is raised. The monarchy needs a heir and the King choses María Cristina from Habsburd to be the futur spanish queen. But Mercedes memories will be against the marriage and the long-awaited son will born when Alfonso is already dead.

Suave jewelry-thieves caper comedy overlaid with howling family-melodrama coincidences.

Don Senen has spent inheritance Begoña sprees, his niece, who only had to administer. It remains to receive a million pesetas, which will only be delivered to the death of Don Senen. The old man, in complicity with Begoña and two nephews going to fake his death by a false certificate. What you may not know is that some of his relatives did not want it to be false and plan to poison him.