Julian agrees to a weekend camping trip but struggles to fit in with Nathan and the guys. Back in Tree Hill, Brooke and Haley spend Girls' Night doing a little bonding of their own, and Quinn helps Clay come to terms with a tragic loss.
As Haley's due date approaches, she takes steps to ensure that her friends and family will be ready when the time comes. Brooke and Julian also prepare to begin a family, while Chuck turns to Chase for help with a problem.
As the gang returns from Utah, Brooke and Julian are engaged, Haley is pregnant, and Clay and Quinn's lives hang in the balance.
Haley and Brooke prepare to re-open Karen's Café, and Nathan and Clay travel in search of new clients and Alex and Chuck are disappointed after Chase leaves for the Air Force.
Sex games, secrets and shoelaces all come into play as the couples of Tree Hill celebrate Valentine's Day.