Megan MacKenna’s twin sister, Madeline, has vanished while vacationing in St. Croix, and despite authorities’ skepticism, Megan is determined to uncover the truth. With the help of undercover DEA agent Gabriel Walker, Megan delves deeper into the dangerous Torrez crime ring, putting her own life at risk as she closes in on the answers she seeks. As the stakes rise, Megan and Gabe must race against time to unravel the mystery and outsmart those who are hunting her down.