Spiritual forces are at work to destroy mankind... Dr Ellen Larson has heard myths of fallen angels, but she has no idea they exist-or that they're after her. She has enough on her mind--her research and her own strange DNA, which she's kept secret since she discovered a mutation in medical school that's never been seen before. Then the impossible happens. Two patients admitted to the University Medical Center-Rafe Zacharias and Homer Wilton--have...