In a superior academy for Deadly Arts, a teenager tries to find his sense of purpose as he battles to secure his survival.
Marcus's sense of guilt urges him to invite the whole school for a party.
While the students are busy preparing for the school dance, Marcus leads a prank war between the rivalrous rats and legacies.
When an attack threatens the safety of their school, Saya and Marcus join forces to ward it off, all while Saya tries to get rid of a past that keeps haunting her.
The gang goes to Las Vegas on a drug-fueled trip to kill Billy's father, but things get complicated when Marcus overdoses, while Maria kills Chico.
Marcus and Maria's relationship is put to test in the aftermath of Chico's death.
Marcus tells Saya the truth about his relationship with Chester, and the two embark on a city-wide journey to track Chester down. Chico's family urges Maria to chase a suspect.
Lin issues a lockdown until it's revealed who killed Yukio and Chico. Meanwhile, a gang war boils between Kuroki and Soto Vatos, dragging both Maria and Saya in, while the rest of the students ponder an alliance with Gao.
The gang decides to take the fight to Chester, forcing Saya to choose between her obligations and her feelings for Marcus. Meanwhile, Chico's father threatens Lin's family, while the latter carries on with his plan to confront Gao.
As the gang confronts Chester, they're in for a severe battle with his family. Meanwhile, Lin and his daughter go on a wild run to save her and stay ahead of El Alma Del Diablo.