She’s Insta-famous. He uses a flip phone. When her business partner is accused of serious financial crimes, superstar influencer Cat Cranwell—an engineered marvel of beauty, energy, and fun—falls from her penthouse perch. Des­perate to get away from the online trolls and paparazzi docu­menting her disgrace, Cat accepts her uncle’s offer to work with him in Kannery National Park, Montana. About as far as possible from life as she’s known it. Cat’s world shifts from the swirling haze of likes and comments to lit­eral blizzards of frostbite temperatures and waist-deep snow. In...