In the divided land of England, Elizabeth Barnabus has been living a double life - as both herself and as her brother, the private detective. Witnessing the hanging of Alice Carter, the false duchess, Elizabeth resolves to throw the Bullet Catcher’s Handbook into the fire, and forget her past. If only it were that easy!

There is a new charitable organisation in town, run by some highly respectable women. But something doesn’t feel right to Elizabeth. Perhaps it is time for her fictional brother to come out of retirement for one last case…? Her unstoppable curiosity leads her to a dark world of body-snatching, unseemly experimentation, politics and scandal. Never was it harder for a woman in a man’s world…