 Valerie and Kelly are reluctantly paired in a Christmas gift exchange, where Valerie goes shopping with Tracy to find the certain gift. Kelly gets a big surprise when she meets Joy, a half-sister from her father that she never knew existed. Meanwhile, Steve and Clare find themselves playing holiday matchmakers to his mother and her father during a Christmas faculty party. David tries to get on the good side of Donna s conservative mother who offends everyone again. Brandon and Tracy share their exchange of gifts.