Beck's training with Tron is interrupted when he's captured by a Recognizer patrol and sent to the Coliseum to fight in the games. There Beck meets a fellow prisoner Cutler, a fierce warrior program who has been inspired by The Renegade's actions. Recharged by their shared passion for freedom, Beck and Cutler fight their way out of the deadly disc games. Meanwhile, Zed and Mara head out for night on the town, but run into trouble when an enchanted Zed is lured away by Perl (voiced by Kate Mara), a program from the wrong side of the tracks.

As Clu's forces begin an energy mining operation near the city of Argon, it has the side effect of causing blackouts throughout the city. Beck and tron learn of this and decide to plant a bomb on the mining station, but a race is about to tear through tunnels which will become engulfed in flames. Can Beck save everyone in time?