Das verborgene Zimmer – Leuchtende Tentakel

At Ellington Hotel, a forbidden room hides a mysterious creature—and owner Katherine's deepest secret. Daughter Iris, haunted by six boyfriends who vanished, infiltrates as a worker, deceived by Noah to steal a black notebook. Facing father William, she uncovers outsiders' plots, finally understands her mother's protection, and joins her in guarding the secret.