Matt Murdock defends Hector Ayala, who is accused of killing a cop. During the episode, it is revealed that Hector is actually the vigilante White Tiger, a fact discovered by Cherry when he finds Hector's White Tiger suit and amulet. Despite this, Matt believes Hector is innocent of the murder and works to prove it, though he cannot use Hector's vigilante identity in court.

Wilson Fisk, newly ascended to mayor of New York City, quickly demonstrates political savvy by addressing a traffic-stopping pothole and attending a cop's funeral to relate to the police commissioner. He uses a picture of his illegitimate daughter to influence the commissioner, showing a softer but still manipulative side compared to his past methods.

Matt Murdock confronts two corrupt cops who try to kill him. He physically fights them, managing to restrain himself from excessive violence. He also tracks down a man Hector rescued to protect him from these bad cops, showing his commitment to justice both inside and outside the courtroom.

Cherry investigates Hector Ayala's case by visiting Hector's wife and snooping around Hector's house. He discovers the White Tiger suit and amulet hidden under the bed, which confirms Hector's vigilante identity. Cherry then informs Matt Murdock about this discovery, which influences Matt's approach to defending Hector.

Near the end of 'Optics,' Matt overhears Officer Powell, who fought with Hector the night of the incident, which leads him to further investigate the circumstances surrounding the cop's death. This scene is part of Matt's legwork to uncover the truth and protect Hector, highlighting his detective skills and commitment to justice beyond the courtroom.