Michael May

Brooke, Quinn and Haley decide to use their talents for the greater good. Meanwhile, Julian takes on a directing job and helps out a friend, and Chase mentors Chuck.

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.

Nathan, Jamie, Clay, Julian, Chase and Chuck camp out on the river court. Meanwhile, Brooke, Quinn, Alex and Lauren take a trip to Puerto Rico.

Sex games, secrets and shoelaces all come into play as the couples of Tree Hill celebrate Valentine's Day.

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.