Welcome to No.12 rue des Amants A beautiful old apartment block, far from the glittering lights of the Eiffel Tower and the bustling banks of the Seine. Where nothing goes unseen, and everyone has a story to unlock. The watchful concierge The scorned lover The prying journalist The naïve student The unwanted guest There was a murder here last night. A mystery lies behind the door of apartment three. Who holds the key?