Kate volunteers to help a moody (and arithmetic-obsessed) young patient at the Braille institute; Willie works on installing Timmy's new bed; Buddy leaves for a week-end of skiing with T.J. and his parents.

Annie, who still misses her parents, can't relate to the Lawrences' holiday cheer, and decides to run away until Christmas is over; Willie runs into his old barber, who is about to close up shop for good.

A colleague and friend of Doug's is cheating on his wife; Annie suspects a next-door neighbor of having murdered his.

Buddy has a crush on her swimming instructor, much to Zack's displeasure; Kate is tempted to call an old boyfriend.