Michael May

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.

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

As Nathan, Julian and Clay coach Jamie's first Little League game, the situation regarding the accident comes to a head. Meanwhile, Chase asks Alex to take a drug test for him, and Quinn gets an offer to shoot in Puerto Rico.

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.

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.