The teens of Tree Hill mount a rescue mission to retrieve Mouth from his ill-advised road trip with Rachel. While on the trip, Haley and Nathan get a second chance to enjoy the prom, and Lucas and Peyton decide to take their relationship to the next level. Brooke tells Haley that she lied about stealing the calculus exam, and Nathan struggles with the residue of a past mistake.

Nathan and Haley grow closer in spite of the recent scandal. Brooke wonders if a spark might be rekindled with Chase. Peyton receives a tempting offer that would ultimately take her away from Tree Hill. Mouth reconnects with Gigi, while Lucas tells Karen that Dan is a murderer, setting off an explosive series of events.