Returning from an overseas business trip, Vera Berezhnaya met in the streets of Stockholm a familiar man—Boris Sofyin, a former official from a ministry. After leaving his post, he decided to organize cruises and suggested that Vera come back to St. Petersburg aboard his luxurious yacht. Boris promised an unforgettable trip, since a theatre troupe is currently touring aboard the yacht. And indeed, Vera is unlikely to forget this journey! On the very first day of the trip, a ministry official who oversaw the theatre and accompanied the actors was murdered. And reasons to wish her dead were found among everyone involved in Melpomene’s world...