A swan song. Love rests in blood

The first post -war production of the Meisterings Wagner. The opera theater in Oxford gathered the best troupe. But shortly before the premiere, Edwin Shorthaus, performing the main party, was found hanged in his own dressing room. The police consider this suicide, because the room was locked from the inside. However, Jereweis Fenh, who arrived at the crime scene, is sure - Shorthaus, in whom talent was combined with an incredibly absurd character, was killed. But who did it? The young conductor, whom the deceased poisonedly poisoned? The first tenor, whose wife Shorthouse looked unsuccessfully? Or a couple of novice artists, clearly knowing about what happened much more than they say? ..
In a respectable private school for boys, a double murder was committed: someone shot the young teacher of Somers and lava dimensionless. The police are at a loss, especially when it turns out that the next day, the elderly widow of Mrs. Bly was killed in a neighboring village. Professor Feng, who helps the police investigate, suspects that all these three killings are closely connected, moreover, the reasons for the incident should be sought in old papers that Mrs. Bly found in her house during the repair