Aka：Преступление на третьем этаже / Il delitto del 3° piano / Asesinato en la 3ª planta / Le crime du 3e étage / 邻里谜案 / 三樓的兇案 / Вбивство на 3-му поверсі / Έγκλημα στον 3ο Όροφο / Assassinat a la 3a planta / Murder in the Building
Summary：A married couple, a novelist and a professor in Sorbonne world-renowned expert on Alfred Hitchcock. Their monotonous, daily routine is turned upside down when she begins to suspect their eccentric neighbor, an actor, of murdering his wife.
