It's graduation day and Ricky has some important duties to attend to while the rest of the students get ready for a party they will never forget. In the one-hour episode, "And Circumstance," Amy starts to unravel Ricky's proposal plans, but no one will give her any information. In the meantime, Ricky grows increasingly nervous about preparing his valedictorian speech, which is full of heartache as well as surprises. Once graduation has commenced, the Grant High students embark on what is to be the night of their lives. Just as the party is in full swing, Grace is stunned to see Daniel's ex-girlfriend, while Lauren refuses to hook up with Jesse. In the end, two unannounced visitors arrive, delivering one final wish for Adrian.