Megan Vance has unexpectedly lost loved ones, including her husband, Rick. One evening, awakened from a nightmare, she discovers that her son Cameron is missing. FBI special agent Caleb Davis is recovering from the tragic ending to a recent case, so he feels a compelling need to make sure this case's outcome is different. As a man with his own harrowing past, he finds it difficult to get close to people but with Megan he lets some of his defenses down. With a High-Risk Affair (4), RaeAnne Thayne has created an emotional and touching story of two people with scarred pasts being strong enough to overcome tragedy and take a chance on happiness again.