The war between the 100 and the Kobra Cartel rages on. Meanwhile, Lynn continues to be concerned about Jefferson and Jennifer's curiosity is piqued by a new boy at school.

Jefferson pays Tobias a visit and warns him to stay away from his family.

Gambi supports Black Lightning as he departs on a special mission. Meanwhile, Grace tries to persuade Anissa to let her guard down.

Jefferson crosses a line with Lynn. Anissa shares some important news. Tobias makes a surprising move.

The FBI pays Jefferson a visit. Meanwhile, Anissa surprises Grace.

Gambi warns the Pierce family of a possible crisis looming.

After four seasons, the game-changing, relevant and electrifying series comes to an end.