September 10, 2018 The Secret of Marrowbone Explained - Let Me Explain September 10, 2018/ Let Me Explain MARROWBONE Synopsis: A young man and his three younger siblings, who have kept secret the death of their beloved mother in order to remain together, are plagued by a sinister presence in the sprawling manor in which they live. Director: Sergio G. Sánchez Writer: Sergio G. Sánchez Stars: George MacKay, Anya Taylor-Joy, Charlie Heaton PHOTO - MAGNOLIA PICTURES