Search-and-rescue pilot Kacey Fairing returned home to Mercy Falls, Montana determined to put the past behind her and start a new life. Ben King abandoned his past-- and Kacey-- when he moved to Nashville to start his career. When his father calls him home to help with PEAK Rescue in Glacier National Park during the flash floods, Ben will have to work with Kacey to save lives. When old secrets and hurts resurface, will they each walk away again?