Cory invites Shawn to stay with him for Christmas. Topanga, who is staying with Cory as well, invites Angela, not knowing that Shawn will be present.
Meanwhile, Eric gets a job as a mall Santa and finds joy in making a difference.
After Cory and Topanga suffer an embarrassing "Fiancee Game" defeat to Eric and Rachel, Topanga decides she and Cory must live together to get closer as a couple.
Meanwhile, Shawn has trouble coping with the loss of Chet; and Jack and Rachel get closer as Jack grieves not having gotten to know his real father.