 Diane s oldest friend, Heather Landon, has just moved to Boston. Diane wants Heather and Sam to become as good friends as Diane is with each of them. Diane gets her wish as Heather likes Sam. However, Sam construes Heather s friendliness toward him as not so harmless flirting. In other words, Sam thinks Heather is hitting on him, and tells Diane as much. Diane, who doesn t believe it, wants to clear the air and in turn directly asks Heather. Heather, not offended by the question from her friend, says that she would never risk her friendship with Diane over a man. Sam is relieved at Heather s admission and is looking forward to having a beautiful woman as just a friend, a first in his life. However, Carla convinces Diane that Sam s initial instinct about Heather is correct. Later at dinner at Diane s apartment, Diane can only take so much of Heather and Sam s friendliness toward each other before she explodes and accuses both of having sexual intentions toward each other. Heather this time is hurt as it is not a question but an accusation by her oldest friend. Diane, realizing the error in her judgment, apologizes, and the three kiss and make up, although Diane will only allow Sam and Heather to kiss and make up to an extent. Meanwhile, Coach gets a guard dog as security for the bar, but first they have to learn to tame the wild beast.