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"The Book of Ruin: Chapter One" is the fifth episode of the fourth season of Black Lightning, and the fiftieth episode overall. It aired on March 8, 2021.



Black Lightning's team hurries to the Sanctum; Jefferson Pierce knows that his daughter is still alive because he feels it. They brainstorm ideas on how to retrieve Jennifer Pierce from the atmosphere. Peter Gambi says that S.T.A.R. Labs in Central City has a hadron particle condenser that can revive Jennifer from her energy; Jefferson calls a friend who quickly delivers the item. Jefferson dons the suit for the first time in over a year and goes into the ionosphere, absorbs his daughter's scattered energy with great difficulty, and places it in the condenser. Now, they must wait for the energy to be turned into matter, into her DNA, and pray that Jennifer is alive when the process is complete.

Black Lightning and Lynn.

Chief Ana Lopez has a meeting with Detective Hassan Shakur and orders him against his will to lead a task force to apprehend The 100 for the death of Mayor Billy Black. She also declares that Lightning is public enemy one for the death of a gang member.

Tobias Whale and Red see that Black Lightning is back in his costume again.

As the team waits, blame sets in; Baron feels that the explosion was his fault as Jefferson and Lynn Stewart argue about their knowledge of Jennifer's addiction to the ionosphere. To let off some steam, Black Lightning attacks The 100. Lala reveals that he did not kill the mayor or attempt an assassination of him; he wanted Tobias. Black lightning believes him and allows him to escape.

Lala talks to Destiny who asks for a truce while the police are hunting gang members; Destiny was actually setting up The 100 for apprehension, but Lala escapes.

The team gathers when the machine finishes its work. Jennifer is alive, but she looks like a totally different person.



Guest starring