Desc: Misterio en la marisma: Directed by Claudio de la Torre. With Conchita Montes, Tony D'Algy, Fernando Fernández de Córdoba, Gabriel Algara. In the Almenares family there is a story involving a mysterious woman and a valuable necklace that obsesses the young heir. He meets Vera, a Polish woman, and invites her and some guests to a hunting weekend, where the necklace disappears.