At a truck stop near Las Vegas, fourteen-year-old Riley Jarrett vanishes from her family's RV, turning their cross-country dream of starting over into a nightmare. Detectives pursue every chilling lead as all eyes fall to the newly blended family with a tragic past. With the clock ticking down on the likelihood that Riley is alive, suspicions run deep. Everyone, from Riley's mom to her stepdad to her stepbrother and her ex-boyfriend, has something to hide. And their secrets could prove deadly.