After a divorce from her abusive husband, Mari Tucker becomes an off-the-grid nomad, living in her truck and doing seasonal biology work. During work she's assigned to Jack Wyatt, a grouchy construction foreman who's famous for leaving his biologists in tears. But when Jack helps Mari track a lost tortoise, she discovers he's got a secret soft spot for animals. When they're alone, Jack's shy. A genuine friendship starts to bloom into romance, but Mari isn't the only one who has a dark past. And when Jack finally opens up, his secrets are more than she could have ever expected.