London, 1935. A music hall on Grove Lane opens its doors hospitably for the most respectable audience. A tap dance on the wings of an airplane, magical illusions, a trained goose, dances, songs, acts with instant transformations—without sparing their effort, the performers give the audience bright emotions. However, from the very beginning of the theater season, the troupe is plagued by failures. One dancer is injured, then another dies—and Philip Adamson, the troupe’s impresario, is forced to seek help from his sister. This winter, Olivia Adamson will have to not only untangle backstage intrigues, but also try on the roles of an illusionist’s assistant and a police informant, and save an innocent person from the noose by exposing the true criminal. But how do you understand what feelings hide behind smiles and bright makeup? How can you tell who is lying and who is telling the truth? The third book in the series about twin investigations will appeal to lovers of classic English detective stories. See you at the music hall on Grove Lane!