Continuing the documentary series.
Tonight, two-year-old Aaron needs an urgent heart transplant. A team is flown overseas to collect the heart of a child who has just died. Liam, a 13-year-old with cystic fibrosis who is waiting for a heart and lung transplant, develops a serious chest infection. Meanwhile, 14-year-old Neal, recovering from major heart surgery, is rushed back to hospital after collapsing.