Hot shot is five years old. He lives with his father Heatwave, his mother Quickshadow and little dalmatian puppy Fireplug. They live in Houston Texas. Heatwave is a firefighter and Quickshadow is a pediatric cardiologist. Hot shot is a very active, playful, loving, kind, smart, generous and honest little boy with a big heart. Hot shot loves to run, jump, climb and play. However it is hard for Hot shot to do so. Then Hot shot has always had a hard time doing anything active. His parents decide to take him to see his pediatrician Dr. Erret. Dr. Erret sends them to Texas Children's hospital Heart center to see a doctor called a pediatric cardiologist. After some tests, Hot shot is diagnosed with a rare defect that rarely gets diagnosed late. Now he needs to get treated and have life long care for his special heart. Hot shot makes friends with four other kids his age who came to the heart center who also just found out they have the same defect. They become the best of friends. Hot shot becomes a very brave heart warrior. (Humanized)