Part two of two. The children are approaching their 16th year and being disabled is an added complication to an already anxious time for teenagers. Hamish has achondroplasia, commonly called dwarfism. After being spotted by the New Zealand para-swimming team, he has qualified to represent the country at the world championships in Glasgow, a stepping stone to the Rio Olympics. Cameras also follow Zoe, who has arthrogryposis, her friend Emily, who has spina bifida, Shelbie, who's profoundly physically and mentally disabled, and William, who has tuberous sclerosis.