In a metropolis dominated by criminal activity, District Attorney Tony Quinn finds himself at a disadvantage in his fight for justice. After a ruthless crime lord blinds him with acid, it appears that the criminal underworld has triumphed. However, thanks to a breakthrough in modern science, Tony gains the extraordinary ability to see in the dark, much like a bat. Adopting the persona of the Black Bat, Tony is determined to ensure that justice prevails and that wrongdoers face the consequences of their actions.