"Eighteen-year-old Trinity Marrow may be going blind, but she can see and communicate with ghosts and spirits. Her gift is part of a secret so dangerous that she's been in hiding for years in an isolated compound guarded by Wardens?gargoyle shape-shifters who protect humankind from demons. If the demons discover the truth about Trinity, they'll devour her to enhance their powers. When Wardens from another clan arrive with disturbing reports that something...