Newlyweds Pavel and Vesta set off on their honeymoon aboard a dazzling white yacht. Around them—no one, only the sea and seagulls. An ideal place for love and… murder. Pavel decided to get rid of his wife immediately after he learned about the wealthy inheritance that had fallen on her. But how to deprive a person of life without unnecessary fuss? Split her skull with a bottle? Or simply push her overboard? While he was thinking about these terrible things, Vesta prepared for the most important mission of her life—searching for the non-existent eighth note. For this purpose, she assembled an unusual musical instrument on the deck, whose large glass ampoules contained decomposing human corpses, and only one ampoule was empty. Because it was meant for Pavel…