Fraser is a healthy two year-old, except for his backbone. He has scoliosis - his spine is not straight and the curve is getting worse, causing damage to his internal organs. Treatment can involve a painful operation but at Sydney Children's, an age-old technique is being used to try and fix Fraser's spine without surgery.
Meanwhile, baby Bonnie's intense round of chemo therapy to get rid of the unusual tumour in her throat has not had the desired effect and now surgeons must step in. They're planning surgery with a high-powered laser but before they can do the operation, Bonnie returns to emergency with breathing difficulties.
Also, six year-old Liam was born with an unusual and dangerous form of epilepsy. His medication no longer stops the fits and his parents have heard of a daring kind of brain surgery, which might be Liam's only hope for a better life. The family travels to Sydney Children's Hospital where Liam will be assessed for surgery.