Coach's likeable daughter Lisa stops by Cheers to introduce her fiancé, the slick, unscrupulous Roy, who treats her shabbily and offends everyone.
Diane's encounters with Derek, Sam's older brother, culminate in Derek asking her to accompany him to Europe but the situation brings to light certain elements of Sam and Diane's relationship.
Sam prepares for the grand reopening of his bar following the fire, and the honeymoon ends for Woody and Kelly.
Norm's plan to avoid an IRS audit backfires, and Sam tries to prevent the bar from watching an old Red Sox game.
Sam and Diane agree to allow each other 24 hours of reckless abandon before they get married.