When a mysterious man from the Carver's past returns to Boundary Mountain, his appearance at the Carver's Thanksgiving dinner rattles the entire family. Meanwhile, David tries to make amends with Max, Will contemplates proposing to Maria and Shelly continues to find herself the object of Michael and Sam's affection.

Shelley tries to impress her estranged father with her snowboarding at an exhibition session, but is disappointed by his lack of enthusiasm. She throws herself into her boarding to strengthen her relationship with her father and to keep her mind off of the relationship between Sam and his girlfriend Scarlett. Meanwhile, when Colin Dowling offers Maria a job in New York, Will proposes to her to keep from losing her.

When fresh powder falls on Boundary Mountain, Shelly blows off her snowboarding training session with her dad to meet Sam for a private run with the hope of restoring their friendship. Meanwhile, David and Maria try to come clean to Will and Max about their furtive romance.

When Shelley is offered the opportunity to work on her snowboarding with her father at an Olympic training facility in Colorado, Sam finally declares his love for her, assuming she's leaving town. Meanwhile, David and Maria continue their illicit affair even though Will is now aware of their relationship, thanks to a vengeful Max.