After spotting Janie helping Grant (guest star Sharif Atkins) shop for an engagement ring, a distraught J.T. turns to Rita and his parents for advice, which leads to a dramatic showdown between the two men at Shelly's birthday party. Meanwhile, wanting to avoid tearful goodbyes as he leaves for England, Donovan sneaks out of the party and mulls over his future plans in the cab to the airport with driver Rufus (guest star Ludacris).