The series begins with the murder of Thomas and Martha Wayne, a crime witnessed by their young son, Bruce. New detective James Gordon, partnered with seasoned Harvey Bullock, is assigned to the high-profile case. As he navigates the corruption-riddled Gotham police force and the city's underworld, Gordon vows to find the Waynes' killer. His pursuit leads him into the dark heart of Gotham, encountering notorious figures beginning their rise to infamy. Among them are Oswald Cobblepot, a cunning criminal with ambitions of power; Fish Mooney, an influential mob boss with her own agenda; and young Selina Kyle, a street-smart orphan with ties to Bruce.

As Gordon continues his journey, he struggles to uphold his ideals while battling the pervasive corruption of Gotham. The city spirals further into chaos as more formidable villains emerge from the shadows. Meanwhile, Bruce, grappling with his parents’ death, begins his own quest for truth and justice. His path is closely tied to that of his loyal butler Alfred, who assists him in understanding the darker aspects of human nature. Throughout this tumultuous period, alliances are formed and broken, unveiling the complexities of morality and power within the city. Gotham teeters on the edge of darkness, revealing glimpses of both hope and despair in a battle that tests its very soul. As tensions rise, each character faces choices that will shape their destinies and the future of the city itself.