The setting is in Southern US, on a small plantation where the narrator and his new brother live.
The older brother has a little brother who was born with disabilities and health conditions. The older brother finds it hard to accept his little brother's conditions.
The older brother's pride tells him to teach Doodle to be "normal" When Doodle walks the older brother knows that Doodle is able to be taught other things. The family finds a scarlet ibis that dies in their red tree ,Doodle connects with the ibis.