This episode revisits the dramatic story of Lesly and her newborn baby Lilly, as the doctors remove the remainder of the child's tumor. Meanwhile, when their unborn twins are diagnosed with Twin-Twin Transfusion Syndrome, Tina and Brion make an urgent visit to The Children's Hospital of Philadelphia. The realities of life in the Special Delivery Unit become clear when the doctors deliver unexpected news to the couple. Bobby waits anxiously for the results of the pivotal surgery Shelly and the baby undergo to repair the fetus's spine. The unique access of the series' camera crew gives viewers a close-up look at this surgery on a baby in the womb – the first time ever in a major television broadcast.