Heartland tells the story of Lauren, an artist living in suburban Oklahoma, who has moved back home with her mom, Crystal, following the sudden death of her girlfriend. The arrangement leads the relentlessly chipper Crystal to believe her daughter is headed back to the straight and narrow. But, Lauren is only following her mom’s traditional plans for her future in order to stave off the pain of the recent tragedy.
When Lauren’s brother Justin comes home with his uptight girlfriend Carrie to help launch a local winery. Lauren, eager for a distraction, is excited when Justin suggests she complete the artwork for the wine labels. Carrie reluctantly decides to help Lauren with the marketing concept, but the two have fun searching together for images of authentic Oklahoma. As Lauren starts to regain her sense of adventure, and Carrie starts to question her own predictable future, their excitement for the project develops into a passion for each other. And when the two take cover in a bathtub during a tornado, their closeness sparks a sexual affair that can’t remain secret for long.