A skilled ex-military investigator, Jack Reacher, emerges from seclusion when a skilled sniper is accused of killing five random victims. The accused gunman has a history with Reacher and when apprehended, only requests Reacher's presence. Skeptical of the case's seemingly clear evidence and the accused's silence, Reacher is determined to unravel the truth. He teams up with Helen Rodin, an idealistic defense lawyer and daughter of the city's district attorney, who is looking to make her mark with this high-profile case. Their investigation leads them to a deeper conspiracy, as they realize the shooter may have been framed and the real perpetrator is still at large.

Reacher's pursuit of the truth pits him against a shrewd enemy who has meticulously covered their tracks, leaving few clues behind. His military training and analytical skills become crucial as he navigates a network of lies and deceit. With every discovery, the stakes rise higher, forcing Reacher and Rodin to confront not just the intricate plot behind the shootings, but also corrupt elements within the city's infrastructure. As they get closer to unveiling the mastermind, they must rely on each other's strengths to survive and serve justice, with Reacher's enigmatic past and relentless determination at the center of the unraveling mystery.