Instead, Laura's father removes her from the convent where he forcibly sent her years earlier and orders her to marry Beatrice's fiancé, a repulsive old merchant named Vincenzo. Panicked, Laura betrays a powerful man to earn her way into the Segreta, a shadowy society of women who deal in only one currency—secrets. The Segreta seems like the answer to Laura's prayers. The day after she joins their ranks, Vincenzo is publicly humiliated and conveniently exiled. Soon, however, Laura begins to suspect that her sister's death was not a tragic accident but a cold-blooded murder—one that might involve the Segreta and the women she has come to trust.

    When the opportunity presents itself, Phryne decides it might be amusing to try her hand at becoming a lady detective in Australia. Immediately upon settling into Melbourne's Hotel Windsor, Phryne finds herself embroiled in mystery. From poisoned wives and cocaine smuggling, to police corruption and rampant communism (not to mention erotic encounters with the beautiful Russian dancer, Sasha de Lisse), Cocaine Blues charts a crescendo of steamy intrigue, culminating in the Turkish baths of Little Lonsdale Street.