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.

Don Senen se ha gastado en juergas la herencia de Begoña, su sobrina, que solo debía administrar. Queda por recibir un millón de pesetas, que solo será entregado a la muerte de Don Senen. El anciano, en complicidad con Begoña y otros dos sobrinos va a fingir su defunción mediante un certificado falso. Lo que no puede saber es que algunos de sus familiares no quieren que sea falsa y planean envenenarlo.