England, April 13, 1929.

At 9 pm, the silence of a quiet neighborhood is broken by the hypnotic sound of Schubert's Ave Maria, playing non-stop on a gramophone.

When the police break down the door of the Harris residence, they find an impossible scene: the dinner served still exudes the aroma of spices, the wine glasses are full and a broken high heel lies on the third step of the stairs.

But the house is empty. Marc, Claire and little Leo disappeared without a trace. In this episode, we delve into the depths of one of the most disturbing disappearances of the 20th century.

What happened that night?

Would Marc Harris have committed a crime of revenge after discovering a secret?

Were they active in an international spy network?

Or had the family fallen victim to the "Kingston Entity", a force that consumes the souls of residents?In this chapter we present the four theories that have defied logic for almost a century.Get your headphones ready.

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