Best-selling novelist Charles (Dan Stevens) suffers from writer's block and is struggling to finish his first screenplay. His new wife Ruth (Isla Fisher) is doing her best to keep him focused so they can fulfill her dream of leaving London for Hollywood. Charles' quest for inspiration leads him to invite the mystic Madame Acarti (Judi Dench) to perform a seance in his home. He gets more than he bargained for when Madame Acarti inadvertently summons the spirit of his first wife, Elvira (Leslie Mann). An adaptation of Noel Coward's classic 1941 play.