Vienna, 1908. A young seamstress is murdered in a luxury fashion house. Oscar and Max are initially perplexed by the means and the motive for her death, but further clues are revealed when Max receives a letter at his newly established practice. Together, the two friends uncover some dark and sinister secrets at the heart of the Viennese glamour industry.

When a famous film star dies during the premiere of her new film, both Max and Oskar are on the scene. Max admits she was a former emergency admission to his hospital, where he briefly treated her. Their investigation gets them embroiled in the dark underbelly of stardom and far-right Austrian politics.