"Eighteen-year-old Trinity Marrow, who is losing her sight, has a well-kept secret. She can see and talk to the dead and must remain in a compound that is guarded by Wardens who are shape-shifting gargoyles. They must protect her from demons who want to capture her to take on her special powers. However, a new threat arrives, and Trinity joins forces with Zayne, a Warden from another clan, in order to save her family."--

As tensions rise, they must stay close together and patrol the DC streets at night, seeking signs of the Harbinger, an entity that is killing Wardens and demons with no seeming rhyme or reason. Forbidden to be with each other, Zayne and Trinity fight their feelings and turn to unusual sources for help -- the demon Roth and his cohorts. But as deaths pile up and they uncover a sinister plot involving the local high school and endangering someone dear...