This third novel in Tanya Huff's action-packed series features Tony Foster and the crew of "Darkest Night," a TV series about a vampire detective. This time they find themselves facing another supernatural menace, a Demonic Convergence. Tony - with the help of vampire Henry Fitzroy and Leah, a stuntwoman who is the last surviving priestess of a sex demon, plus a tabloid reporter and a Canadian Mountie - must keep the key to the convergence alive to prevent a demonic invasion so large scale that it could be the finale - for the whole world.