Hot shot is five years old he lives with his father Heatwave and his mother Quickshadow. They live in Houston Texas. Heatwave is a firefighter and Quickshadow is a pediatric cardiologist. Hot shot is a very playful and happy child. He has loved to play games and sports but he finds it hard to run and play like he wants to. It has been that way for a while it wasn't that noticeable until now. His parents take him to his pediatrician. Who sends them to see a pediatric cardiologist at Texas children's hospital. There Hot shot is diagnosed with Tetralogy of Fallot. A heart defect that rarely goes undiagnosed at birth but it happens. Now Hot shot needs surgery and special care. Hot shot meets four other kids his age who were also just diagnosed with the same defect. Hot shot and his new friends are now ready to be brave heart warriors! (Humanized)