A possible concise summary is:
Junior breaks his leg at the park and takes advantage of his friends and Chef Pee Pee to get whatever he wants. He lies about his leg being healed and misses the chance to meet his favorite movie star. Chef Pee Pee finds out and breaks his leg again.
Here are some possible facts extracted from the text:
1. Junior broke his leg at the park while racing Joseph on a rock wall.
2. The doctor put a cast on Junior's leg and told him it would take three weeks to heal.
3. The doctor also told Junior not to take advantage of his situation and not to be a dick.
4. Junior ignored the doctor's advice and used a horn to get Chef Pee Pee to bring him whatever he wanted.
5. Junior also lied to his friends and Chef Pee Pee that his leg was still broken after the doctor said it was healed.
6. Junior wanted to meet Paul Blart Mall Cop at the top of the Rocky stairs in Philadelphia, but Chef Pee Pee refused to take him.
7. Chef Pee Pee found out about Junior's lie and broke his leg again for real.