June 1908: Cross-dressing Dolly Butler is starting a new career as a detective with her very own Soho agency.
Her first case takes her into the brutal world of an East End plumage factory where it-s not just birds that are under threat. While Dolly is off sleuthing, her adored lover, Caroline, hides from her violent husband at Dolly-s home. However, when their embittered housemaid becomes aware of Dolly and Caroline-s -unnatural practices-, she becomes intent on destroying their happiness. Her scheming, and Dolly-s refusal to confront a friend-s suspicions about Caroline-s mysterious past, puts them all in grave danger.
In a page-turning, darkly comic story of obsession, self-delusion and deception, can Dolly save the woman she loves, as well as face the grisly reality of her new line of business - and the truth about herself?