"The Book of Ruin: Chapter Three" is the eighth episode of the fourth season of , and the fifty-third episode overall. It aired on April 19, 2021.
|The FBI pays Jefferson a visit. Meanwhile, Anissa surprises Grace.|
When Anissa Pierce and Grace Choi return to Freeland after their honeymoon, they receive a party from the Pierce family to welcome Grace. The FBI comes with a search warrant for the Pierce house because Jefferson Pierce has been charged with embezzlement, with all of his bank accounts frozen.
JJ checks her social media account and has learned that other students from Garfield High School have already learned about the charges; this causes JJ not to want to return to school yet, but Jefferson insists. They practice her backstory before Baron comes to escort her.
At school, as others disrespect Jefferson without knowing all of the circumstances, JJ meets a student who defends her father. She becomes enamored by him.
Meanwhile, Jefferson gets notification that his father's house is wanted by Tobias Whale so that he can build a hospital in that neighborhood. In order to get Marcel Payton and his family to move, Tobias set him up with a new house. Jefferson refuses to sell because he planned to keep that house and have his children inherit it.
Tobias laughs as everything goes according to plan. He allows Red to intimidate Monovista International executive Marshall Bates to expedite the process of getting more DEG's to the police. Jefferson and Peter Gambi observe the intimidation via security cameras and learn that Red is a magnetokinetic who uses bullets to scare and to kill.
At the Center for Gene Therapy and Genetic Research, Anissa learns Monovista International is distributing a cure from genetic mutations and abnormalities, but the research is secret. Blackbird and Wylde, with TC on comms, enter the Center to get the computer files on the research when Ishmael attacks. He has studied their fighting styles and quickly notices their weaknesses. Wylde must use her leopard form to keep Ishmael from killing them.
- Cress Williams as Principal Jefferson Pierce
- Nafessa Williams as Anissa Pierce/Blackbird
- Christine Adams as Dr. Lynn Stewart
- Marvin "Krondon" Jones III as Tobias Whale
- Jordan Calloway as Khalil Payne
- Chantal Thuy as Grace Choi/Wylde
- James Remar as Peter Gambi
- Laura Kariuki as Jennifer Pierce/JJ Stewart
- Helen Joo Lee as Val Seong
- Rico Ball as Ishmael
- Alexander Hodge as Philky
- Christopher A'mmanuel as Baron/TC
- Matt Roszak as Red
- Elena Varela as Lauren Caruso
- McKalin Hand as Uriah Coleman
- Jemarcus Kilgore as Montel
- Kedrick Brown as Marcel Payton
- Todd Anthony as Dr. Darius Morgan
- Paden Fallis as Marshall Bates
- Jamal Akakpo as Special Agent Kevin Mason
- Renell Gibbs as Kyrie
- Morgan Alexandria as Kiki
- The in-episode title sequence subtitles this episode as "Things Fall Apart", but the official title to the episode does not contain the subtitle.
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