The stunning landscape of Colorado's Rocky Mountains are among our greatest natural treasures. But there are deadly secrets lurking in the craggy heights, and FBI Special Agent Kendall Beck and Denver Homicide Detective Adam Taylor team up to investigate a kidnapping. When Taylor's niece, Frankie, suddenly vanishes at a local hockey rink, it's clear that there's a predator on the loose - and now, the case has turned personal. One discovery after another leads Beck and Taylor closer to the truth, as they close in on the devastating truth about the fates of the missing girls - and the many who came before them. Will they be able to find Frankie before it's too late? In this thrilling story, Leanne Kale Sparks weaves the threads of this harrowing drama and builds the intensity to a fever pitch.