Spence learns that his ex-girlfriend Denise is getting married in Memphis, Tennessee and is depressed, thinking he is meant to be with her. Doug decides they should all go on a road trip to stop the wedding and allow Spence to tell Denise what his true feelings for her really are. Along the way, the boys run in to quite a few glitches cutting it close to arriving in time to put a stop to the nuptials.
Meanwhile, Arthur abuses the new power he has been given at the senior center.