His noble heart brings her to life ... his Darkness could kill her.Erica Evrard lives for one thing: using a mysterious power she calls Lightning to hunt down and destroy serial killers. She knows her ability will someday claim her life, but it's a price she's willing to pay. Now after the Heart Ripper, she discovers that her quarry possesses a dark, paranormal energy. When she meets Magnus, the sexy drummer at a local bar, their first encounter is both passionate and disastrous. Even worse, she suspects that he may hold the same energy.Magnus McLeod indeed harbors Darkness, having been infected while saving a woman. He is learning to harness it-and keep it from overtaking him. He'll need to learn fast, as he and Erica are captured by supernatural humans whose plan threatens an entire Arizona town.