Jennifer (now "JJ") attempts to return to school despite the public scandal surrounding her father. She meets a new student, Uriah, who defends Jefferson against online clout-seekers. However, Lynn's medical tests reveal that JJ's energy particles are unstable , raising questions about her true nature.
Anissa and Grace are stalked by a mysterious new assassin named Ishmael , who has studied their fighting styles and attacks them at a research facility while they investigate a secret meta-human "cure". Key Character Developments [S4E8] The Book of Ruin: Chapter Three
Lynn and Gambi test a serum based on the powers of Tobias's meta-human subordinate, Val Seong. Gambi volunteers as a test subject and discovers he has gained the ability to nullify the powers of other metas nearby, including Jefferson and T.C.. Jennifer (now "JJ") attempts to return to school
Discovers his temporary power-nullification ability and identifies the meta-human "Red" as the person who killed the mayor using magnetic powers. Anissa and Grace are stalked by a mysterious
Newlyweds Anissa and Grace return to Freeland for a surprise welcome home party, which is abruptly interrupted when the FBI arrives with a search warrant. They charge Jefferson with embezzlement from Garfield High and freeze all his bank accounts.