Sassy Peale is desperate to help her family, but her meagre salary doesn't stretch far. Then she meets John Callister, and she thinks her new friend is an honest–to–God cowboy rugged and trustworthy.
But John isn't a ranch hand, he's a millionaire from one of Montana's most powerful families! And when Sassy finds out who he really is, she's certain the arrogant millionaire is just playing with her. John has to convince Sassy that he's the man she first thought he was a diamond in the rough.