Watch The Thing Behind The Door (2023) : Full Movie Online Free The story of Adèle, a youg woman who’s literally haunted by the death of her husband, killed in a trench during World War One. Desperate and unable to face this tragic loss, Adèle turns to black magic in the hope to bring her lover back. The miracle will happen, but Adèle will have to pay the price for opening this Pandora Box.