Nathan buys a motorcycle despite Haley's reservations, and Rachel poses for Maxim magazine.
At Tric, Derek lies to Peyton, saying he heard Lucas tell Brooke if she took him back, he would never talk to her again.
Derek takes off his shirt to reveal a tattoo across his back of Peyton dressed as the angel of death.
Dan confronts Daunte, asking how much he wants, but he threatens Lucas, Karen, Deb, and Hailey.
Lucas walks Brooke home as they both conclude not to get back together, stating that Whitey’s speech made them understand they don’t belong together.
After hugging, Peyton tells Lucas she'll be seeing him, just like he told her in the Pilot, prompting him to confess her she is the one for him, then the two share a long-awaited kiss in the middle of the court, getting together officially.
Back in Tree Hill, Nathan walks into the road with Haley, and Daunte's car dives towards them.
In real life, Nathan waits at the hospital and is feeling very guilty - Haley and the baby might die, and so might Lucas.
Lucas returns to his everyday life, ready to live his new relationship with Peyton, who instead is scared of losing him due to his heart attack.
Brooke has worked for her math test even though Rachel tells her to use the stolen key to cheat.
This leads them to be in school at night and have to pretend to join the Clean Teen group to avoid the principal's wrath.
When she says she wants to visit Daunte's family, Nathan tells her the truth and she is hurt and betrayed by his lies.
Deb pushes past Haley to try and see her son, but she is high and careless and knocks her to the ground.
Skills and Mouth help Nathan learn to dance in order to earn money at an amateur strip night.
A teacher believes his class stereotypes one another as jocks, prom queens, nerds, loners and sluts - but they use the word 'friendly'.
Mouth gets Clean Teen leader Shelly who explains she was betrayed by the boy she fell for at summer camp and isn't a virgin.
Deb asks Haley to forgive Nathan and blames herself and Dan for being terrible role models.
Peyton opens her door for Lucas, but finds Psycho Derek, who punches her as the screen goes black.
Dan continues to charm Karen but finds a note from the shooting witness that says they are watching him.
Dan finds himself taunted by mysterious messages and traces them to a phone found where the gun was the day of the shooting.
A week has passed since Prom, and Brooke and Peyton are sharing a bed with Lucas because they don't want to be alone.
Mouth texts the others for help - he is in jail in Honey Grove, Texas for sleeping in a park, after ditching Rachel because he realized that there'd always be someone else to flirt with.
Back home, Nathan tells Lucas investigators are asking questions about him shaving points.
Lucas finds Abby's address and goes to her door, just as Dan has also found her identity, and watches from afar.
Peyton, still haunted by the memories of 'Derek' decides to face her fear by visiting him in jail; but leaves when he begins to taunt her.
The next day both her and Brooke discover that 'Derek' is actually Ian Banks, a surviving victim from a car accident that killed his girlfriend, who looked just like Peyton.
Principal Turner allows Haley to give her speech and Whitey calls Duke on Nathan's behalf.
While flatlining, Karen meets of Keith who tells her to go back and watch over their daughter and to look for him in the lilies.
When the clock strikes midnight, the gang are officially no longer in high school and head to the river court together.
Nathan then asks Lucas if he wants a rematch (of their first game in the pilot) and the season ends with the friends laughing and cheering on the brothers.