Seven days have passed since Naples real estate agent Megan MacKenna has heard from her twin sister, Madeline, who was vacationing on the beautiful, Caribbean island of St. Croix. Though authorities are not convinced there is a case to solve, Megan knows with all of her heart something happened to Maddy. When Megan receives a direct warning to leave the island or end up like her sister, she turns to the only person who has taken her seriously since she arrived, Gabe, a breakfast cook at a local diner. Undercover DEA agent, Gabriel Walker has been building his cover for months, waiting for the opportunity to work his way into the infamous Torrez crime ring. When Megan shows up asking questions and Gabe realizes her twin's disappearance might be linked to the Torrez men, he has to convince her to go back to Florida before she becomes their next victim. The closer Megan gets to the truth, the more Gabe begins to suspect he is missing a huge piece of the puzzle. And someone is closing in on Megan...