Sookie creates a S'mores wedding cake, so what more does Lorelai need to set a date? Logan comes home, Lane and the band come home and Paul Anka eats three pounds of chocolate while under Luke's care.

Super Cool Party People is the name of an episode for the American comedy-drama series Gilmore Girls.

Lorelai wakes up next to Christopher after she breaks-up with Luke. Rory receives a model rocket as a going-away present from Logan and struggles to decode its significance. Kirk crashes into Luke's diner. Luke tries to get Lorelai back, but she informs him that she slept with Christopher. Christopher calls Lorelai and says, "That other night was incredible and I hope it can happen again." Lorelai replies, "That night was a mistake and it cannot happen again."

Lorelai and Chris attend Yale Parents' Weekend where they find Emily and Richard. Chris takes Rory and all her friends out for dinner after feeling guilty that he wasn't around when Rory was growing up. At the end, she shows her commitment to her duties as editor of the newspaper by gathering the troops to report on a story.

Luke and Lorelai share a moment when Luke introduces her to Liz's new baby, and Christopher witnesses the scene. Lorelai and Christopher get into a fight over what Lorelai wants versus what Christopher wants. Luke contacts a lawyer over his custody troubles with Anna. Christopher and Luke fight in the town square. Logan discovers that Rory and Marty have been pretending that they just met, and he reveals the truth to Lucy. Emily gives Lorelai advice about her marriage.

After getting into a science camp, April tells Luke that she cannot go on the boating trip with him over the summer. Zach is asked to go on tour with another band. A drunk Lorelai serenades Luke at Karaoke night. Logan gets a job in San Francisco, where he then goes to Lorelai's home to ask permission to propose to Rory and take her with him. Lorelai, shocked, gives no answer.

At Rory's graduation party at her grandparent's house, Logan proposes to her. Emily and Richard sing Rory a graduation song. Rory is caught off-guard and says she needs time to think about it. After Rory graduates from Yale, she tells Logan that she can't marry him. Logan tells her it's all or nothing and Rory decides to decline. Logan ends their relationship.

Rory lands her dream job as a political reporter in Ohio. Luke enlists the help of everyone in Stars Hollow to throw her a graduation party in order to say goodbye. Luke's thoughtfulness brings out a long-awaited reaction from Lorelai.