Annie's father, Charles is getting married to his girlfriend Ginger. The wedding reception is supposed to be at the Camden's house and Annie is the one in charge of preparing the menu. Annie isn't enthusiastic about the wedding and the reception. On her way to the grocery store, she meets a homeless veteran and invites him home. He is the one ending up preparing the menu since he was a chef for forty years. Also, Matt and Mary are taking a little road trip, which ends up being very long when they get a flat tire. Simon is spending the day with his new girlfriend Deena. Lucy is spending the day with Jordan, the guy she can now call her boyfriend. Lastly, Ruthie is feeling lonely, so she pretends her imaginary friend Huey is back the whole day.

Becker deals with an HIV-positive child, and the fact that Reggie has inherited his favorite diner from her father.

A young nun is surprised she's being forced to leave her order after breaking her vows of celibacy, for which she confessed and was granted absolution. While in the unisex, Georgia gets and even bigger surprise when Stefan appears in the toilet bowl in her stall. But Ling gets the biggest surprise when Ally's encouraging words to Whipper backfire in the worst possible way.

When Mitch and Hobie are walking down the beach after a tough day, they notice a strange smell in a tunnel. When they have entered the tunnel, Mitch recognizes the smell. Some workers have accidentally damaged a gas line. One of the workers drops his cigarette into the tunnel and Mitch and Hobie have to run out before it explode.

Doug and Carrie remember when he proposed to her after a jeweler offers more money for the ring than Doug had originally paid.

Actor Blair Underwood is tonight's guest.