Abby Rhodes is a music teacher in small-town Texas, but she's about to journey to places she never imagined before. When a gorgeous man appears at her door and touches her hand, Abby's world is changed forever. Her heart is overwhelmed by him, but her mind is being taken over by a dark supernatural force she can't understand—a force that makes her question the true nature of the man who has so enchanted her. As she fights to regain control of her own soul, Abby may be forced to choose between love and survival.

Most folks in Exile, Texas, think Megan Leary got away with murder. Megan was acquitted of her mother's vicious killing after someone else confessed—but suspicion still shadows her fifteen years later. Now a private investigator, she's come back to help a friend look for her missing teenage daughter—and it's not just gossip that's being stirred up. Sheriff's Deputy Dan Fox wasn't sure what to think of Megan or her mysterious past when he pulled her over for speeding. But suddenly, people are dying—and Dan may have to decide whether he can put his trust in Megan to ensure both of them survive.

Dr. Ana Maria Ross Gutierrez runs a clinic near the Texas-Mexico border, taking care of those who've crossed into the United States illegally. Ana was once married to Peter Ross, but his decision to join the border patrol drove her to divorce him—despite Peter's continuing feelings for her and his conviction that he's protecting the desperate immigrants in his own way. Now, as hostility and hatred heat up in El Paso, Ana, Peter, and a young mother are entangled in danger and violence that threaten them all.

After eight years of marriage, surgeon Mike Bowman and his police officer wife have snuck time into their busy schedules to celebrate their anniversary. But work is never far from Mike's mind, which is why he finds himself in the morgue in the middle of night instead of in his wife's arms . . .

A prostitute's client in Dallas. A jogger in El Paso. A pastor in Louisiana. Across the South and Southwest, middle-aged men are bursting into flames. In the Office of Environmental Hazards, one man is on the case. His initial observations point to something in the drinking water. But intelligence agents suspect something much more ominous: terrorism.