After Woody, Kelly and her father Lloyd arrive at Cheers talking about classical music (they'd been to a symphony), Rebecca joins in the conversation and impresses Lloyd. He invites her to a society function. Rebecca thinks it is a date and is thrilled to bits - but is in for a shock when she arrives. Meanwhile Esther Clavin has been put in a retirement home by Cliff, but whilst Cliff feels guilty, the others think he has murdered his mother.

The gang finally finds out what has happened to Diane Chambers when they see her winning an award on television. Sam calls Diane to congratulate her and ends up inviting her back to Boston where they reunite one last time. Meanwhile, Don the plumber pops the question to Rebecca and gets an unexpected answer.