Dan and Emily are crazy about each other. They live in a huge house in the nicest part of Glasgow and want for nothing. But they've been trying to have a baby for years with no success. When a chance encounter brings 18-year-old Kaya into Emily's life, it seems that fate may have brought them together. From the other side of town, Kaya is determined to make a life for herself. In the luxurious interior of Emily's Range Rover, she quickly starts to get a taste for how the other half live. She makes Emily an offer - she will be Dan and Emily's surrogate, if they help set her life on track. But with only one embryo left, can Dan and Emily trust a teenage girl they barely know with their last chance to have a family? Show less