Jake enlists in Addison to help a 20 year old, without a uterus, to have a baby of her own. Sam and Amelia try to help a woman dying of Parkinsons disease, and help save her marriage. Sheldon tries to help Pete overcome the aftermath of his heart attack, and his sudden reluctance to Violet. Cooper and Charlotte, make amends. In the end, a woman named Erica shows up at the practice, and informs Cooper, her 8 year old son Mason, is his.