The Mystery of the Moonlight Sonata

Enrica Maerlant longs for the freedom of her dancing days and gets in touch with her former dance partner Sascha Darinoff. When Erica is shot dead during a secret dance rehearsal at her luxurious villa, the Maerlant household turns out to be a serpent's nest of intrigue where everyone, from the step daughter to the chauffeur, has a motive for the murder.