In the colorful world of Willow Creek, aspiring parent Lily dreams of creating the perfect family. After marrying her charming partner, Jake, she dives into the intricacies of Sim parenthood, researching everything from genetics to skills that can help shape their future child. With the help of friends and online forums, Lily learns that beauty comes in many forms, and it's the love and nurturing that truly define a family. As they prepare for their baby, the couple embraces the joys and challenges of parenting, discovering that a beautiful baby is not just about appearance, but the warmth and happiness that fills their home in "How to Make a Beautiful Baby."