Doug and Carrie's marriage continues to be on the rocks when Doug discovers that she didn't get rid of her apartment in the city. Ava St. Clair leaves Arthur at the altar when she learns that he's not gay. Arthur goes ahead with the wedding and marries Spence's mom instead. During the reception, Carrie gets a call that they have a baby waiting for them in China. Carrie and Doug are still fighting and try to race to China to get to the baby first. While on the plane, they make up. And then they get another surprise when they get ready to take their baby home and learn that Carrie is pregnant.