Sidney and Carrie? s friendship is being put to the test. Can Lisa Thompson? s uplifting duo learn to compromise in time for their joint birthday party?Best friends Sidney and Carrie are really excited about having a joint birthday party! But excitement turns to disappointment when they can? t agree about the invitations, the entertainment or even the kind of cake they? d like to have.Will the birthday party be a disaster or can the two friends find a way to compromise that will make them both happy?