Libby isn’t thrilled that Greg and Shadow have left Arizona for Anchorage to complete their Search & Rescue training, but she and her mother plan to join them in Alaska later. Meanwhile, there is a covert plan underway between Julia and Greg—he's asked Libby's mom for her blessing. Libby and Julia join their Alaska cruise group, and immediately Libby starts to get strange vibes from some of the other tourists. She can’t wait to meet up with Greg and figure out what’s going on. But then things begin to go horribly wrong. Between the tragic landslide, missing musher pups, and activists blocking their path to unraveling several mysteries, will Greg be able to pull off his surprise proposal?