The specialist is a serial killer with very specific, unique tastes. Kirsten is a jewelry designer whose hobby is caving, and she carries a lot of emotional baggage, above-ground or in the bowels of the earth. Her sister Emma goes missing en route to visit Kirsten. When Emma's ring mysteriously turns up in a newly discovered cave on Vancouver Island, Kirsten has to solve the riddle of an apparent impossibility, with the help of a few old friends and one deliciously tempting new one. Kirsten wants answers. The specialist wants her to join him for dinner.

Genre: Mystery