Unique access to the neonatal unit at University Hospital Wishaw. Here a hundred-strong team keep some of Scotland's most fragile babies alive. Babies born prematurely, multiple births, and those with rare medical conditions are among over a thousand cases admitted to the unit every year. These babies and their parents can spend months here and go on an incredible journey.Charlie was born at just 23 weeks – almost the earliest a baby can be kept alive. His eyes haven't opened yet and his lungs are only half grown. For his parents it's an emotional rollercoaster, but despite the odds, Charlie proves to be a fighter.A family with premature twins finally gets to bring their son home after six months in the unit, and rhesus baby Parker undergoes a rare procedure to have all of his contaminated blood exchanged.