What is the falling action in book hardy boys- dissepearing floor?

In the Hardy Boys book _The Disappearing Floor_, the falling action occurs after the Hardy boys have solved the mystery and rescued their friend, Chet Morton. The falling action includes:

- The Hardys and Chet confronting the villain, Elisha Brown, who confesses his crimes.

- The Hardys explaining their plan to rescue Chet to their father.

- The return of the stolen diamonds to their owner.

- Chet's recovery and return to his normal life.

- The Hardys' celebration with their friends and family.