FULL EPISODE SYNOPSIS (spoiler!)

On the day of the wedding Lucas meets Keith outside the church during his morning run. Keith is just making sure everything is okay, he's looking forward to getting married.

Haley calls Nathan to let him know that she and Chris will be on tv doing a live interview. She can hear the bitterness in his voice, but there's nothing she can say to make things better.

Nathan is raiding the fridge in Dan's house. Lucas talks to him there, trying to convince him to come to Keith's wedding. Deb comes in but Nathan ignores his mother and walks away. Deb is desperate and takes some pills, which Lucas happens to see. He later tries to talk to her about it, but the last thing she wants is to talk about her problems with an adolescent boy.

Karen is busy baking for the wedding. Andy comes into the café with the news that it looks like Dan is having an affair with a woman named Emily Chambers. Dan's paying all her bills and her rent. Andy's investigator is working on obtaining a photo of Emily. Andy wants to find the woman first, before going after Dan.

Nathan runs into Whitey at the liquor store. Whitey is getting quite annoyed by Nathan's broodiness and tells him to grow up. The coach also tells the person behind the counter that Nathan's ID is false, so the boy can't buy his liquor.

Brooke visits Lucas at Dan's house. She talks Lucas into taking her to the wedding, because she really loves weddings. Felix is grounded because his parents found out about the party he threw for her. Lucas agrees to take her, just as a friend.

While Andy and Karen get dressed for the wedding, Andy unintentionally says I love you. Karen is stunned. He had wanted to say this for a while but with everything going on he never thought it a good time. But he is not taking it back and tells her hates the thought of her ever not being in his life. She tells him, she loves him, too. He's quite relieved and they kiss.

Jake comes by to pick up Peyton for the wedding. He is almost speechless by how good she looks and they end up in bed.

Lucas picks up Brooke and drives to the church with her. She is very grateful. Lucas enquires how things are going with Felix. Brooke confesses that lately she found herself feeling independent and that she likes it.

Presenter Nick Zano tells Haley to take off her wedding ring for the interview to make the viewers believe she's with Chris. Haley doesn't want to, but Chris is making it look like they are a couple, which Nathan watches on tv.

Brooke is cold in the church and Lucas gives her his jacket. Brooke finds his speech and reads it, while Lucas goes to talk to Keith. The speech moves Brooke to tears.

Andy gets a call and leaves to pick something up.

Whitey is upset when he hears that Keith's parents are not coming to the wedding because they are on a trip. Just then Nathan turns up outside the church. He is totally drunk and shouts to Keith he should not get married. Dan and Deb come outside but Nathan is not listening to them. Lucas arrives to defuse the situation. He leads Nathan away and Brooke calls her new "DW not I" service to take Nathan home.

Andy returns with the news that Emily Chambers is Jules. Karen is shocked. She goes to talk to the bride. The truth comes out. Emily asks Karen if she can't let them just be happy but Karen wants Keith to know the truth. Deb opens the door to tell them it is time.

When Karen comes down the stairs Andy is waiting for her. She tells him that she feels she must believe Emily she really loves Keith. Deb and Karen are bridesmaids and walk down the isle, where Keith, Lucas and Whitey are already waiting. Everyone is now waiting for the bride. After a few minutes have passed, Andy arrives with the news that Jules/Emily has left. Keith is puzzled. He asks Lucas for his keys. Karen and Lucas run after him, but Keith just speeds away. Lucas thinks that Dan is responsible. Karen confesses that she threatened Emily she would tell the truth. Dan enjoys this turn of events. Karen feels terrible. Lucas is upset and throws the paper with his speech into the trash.

When Keith arrives at Jules's house he only finds the wedding dress. She has driven away, crying in her car.

Karen sits in the church, feeling guilty. Andy tries to comfort her, but she feels she needs to see Keith. Andy feels helpless and guilty as well, as he was the one who found out the truth.

The only happy person is Dan, who has achieved one of his goals, revenge on Keith. His next target will be Deb.

Deb finds her son at the beach, where Nathan has lit a fire to burn all the photos of himself and Haley. Deb gives him money to get his wife back. Nathan takes it.

Jake and Peyton return home with Jenny to find Nikki, Jenny's mother, waiting there for them.

Brooke tells Lucas that her dad has got a new job. Unfortunately it is in California and they are moving next week. She doesn't want to go and feels terrible. Lucas is comforting her.

One Tree Hill © The WB Television Network 2004 & Tollin/Robbins Productions