There are some amazing Hallmark movies and some abysmal hallmark movies. This is neither.
The set they use randomly for some of the outdoor scenes is strange, considering all they had to work with isn't nature. Also, Bighorn is a county in Montana, so one would assume their fictional town of Big Horn would be in that county - which is the Crow Reservation. In fact, Montana's diverse population has a large majority of Native Americans, and it's just wrong to see a film that doesn't reflect that (especially one set in a fictional town on a reservation...).
Finally, on the Montana side, some of the actors oddly employed southern accents. I know Montana is south of Canada, but we aren't southern. The main actors didn't do it, if anything they perfected that slight western drawl that you can find in small towns.
Naming the Sheriff "Lonny LAWson" was a little silly, too.
Other than their terrible research on the location, the story is cute. Erin Krakow does a great job as the reluctant ranch owner, and I wouldn't be surprised to hear she's been west. Ryan Paevy is one of Hallmark's weaker actors, but with the right costar he does better. He can be charming in this one.
The story is sweet enough to earn higher marks in spite of its blatant insult to the state it's meant to be set in. (It's better than the Royal Hearts beginning set in Bozeman. Um, no).