Jodi Larsen recently joined the National Park Service Police after a year marked by the loss of her mother and her decision to leave the military after serving her final tour of duty. She unexpectedly teams up with a dog named Blue as her new partner. Together, they tackle their first case, investigating the disappearance of a boy who went missing while camping with his family. As night falls, a race against time begins to find the boy before it's too late. Both Blue and Jodi are put to the ultimate test.