Prague, 1599. Christian Stern, a young doctor, has just arrived in the city. On his first evening, he finds a young woman's body half-buried in the snow. The dead woman is none other than the emperor's mistress, and there's no shortage of suspects. Stern is employed by the emperor himself to investigate the murder. But can he unmask the killer before they reach their next victim? A chilling historical mystery set in 16th century Prague.