In the chaotic streets of Jakarta, Samuel Erlangga grapples with the loss of his brother Daniel, the leader of the now-dismantled Diamond Gang, who was killed in a violent clash with the rival Chayton Gang. As Samuel tries to honor Daniel's legacy by pursuing a future in mechanics, he becomes entangled with Azzura, a talented mechanic at a local workshop, and Raskal, the new leader of the Chayton Gang. When the rivalry reignites, Samuel must confront the dark past that binds their families together and decide whether to seek revenge or forge a new path of redemption.