Bernie and Wanda have undertaken fertility treatments. Wanda suffers from mood swings due to hormonal issues. Distracted with the idea of having a child the couple neglect to stay on top of the kids they already have. Vanessa shares her experience with babies joining a family. She explains the baby will be Bernie's own baby girl, or his son. Everyone will have to adjust, and one will be replaced. Bernie and Wanda adjust to ups and downs with treatment, having to ride out extreme highs, lows, hopes, fears, and consider how committed they have to be to the process, rife with physical and emotional challenges. Jordan and baby girl attempt to regress to reinforce their positions in the family. When Bernie is unwilling to repeat previously bonding activities, they fear Vanessa is correct, someone is to be replaced.