One of Diane's friends, Heather Landen, comes to Boston for a visit. Diane brings her over to the bar and introduces her to everyone. Heather is very nice to everyone at the bar, espically Sam. Sam starts to worry that Heather is getting a little too friendly, and warns Diane about it. Diane thinks Sam is just over reacting, and invites Heather to dinner with her and Sam. Once things start getting a little too friendly at Diane's apartment, Diane loses it and confronts Heather about it. Heather explains she's just a friendly person and her intentions were to make friends and not steal her boyfriend.