Michael May

As the gang returns from Utah, Brooke and Julian are engaged, Haley is pregnant, and Clay and Quinn's lives hang in the balance.

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.

A life-threatening storm threatens to strike the residents of Tree Hill; Katie returns to finish what she started.

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.