For the past few weeks 4-year-old Luke has been pale and tired. Without warning he is diagnosed as having leukaemia. He must start chemotherapy, while his devastated family struggle to come to terms with his life-threatening illness. Meanwhile Sheila Jackson is busy fundraising for cancer charity. She's planning a big balloon race for all the children on the cancer ward. Six-year-old Abigail is back after the operation to pin back her ears. What will they look like once the bandages have been removed?