Robert McCall, a former black-ops operative turned vigilant protector, continues to deliver his brand of justice. Living a modest life, he believes he's put his mysterious past behind him. However, when a close friend is brutally murdered, McCall is pulled back into the world he thought he left behind. Armed with lethal skills and a personal mission, he seeks justice for his fallen comrade and finds himself entangled in a network of corruption that spans the globe. As he delves deeper, McCall realizes that the stakes are higher than ever, and those he's hunting now include powerful and dangerous adversaries.

During his quest, McCall crosses paths with a young and fearless woman whose life is threatened by her involvement in the investigation of a journalist's disappearance. With their paths intertwined, McCall takes on a mentor-like role, reminiscent of his past. They form an uneasy alliance, and together, they uncover a web of lies and deceit. This partnership challenges McCall's solitary nature but also brings renewed purpose to his life. He confronts not just the criminal masterminds fueling the corruption, but also the moral complexities of exacting justice in a world where the lines between right and wrong are often blurred.