Hutch Mansell, a suburban dad, overlooked husband, nothing neighbor — a “nobody.” When two thieves break into his home one night, Hutch’s unknown long-simmering rage is ignited and propels him on a brutal path that will uncover dark secrets he fought to leave behind.
Harry then sends him to see a man referred to only as “The Barber”, who provides Hutch with information about one of his victims: he is the younger brother of Yulian Kuznetsov, a notorious Russian mob enforcer. Although Yulian despises his brother, he feels an obligation to avenge him and sends a crew led by his right-hand man Pavel to attack Hutch at home. Hutch hides his family and kills most of the attackers before Pavel subdues him with a taser and puts him in the trunk of a car to take him to Yulian. Finding a fire extinguisher in the trunk, Hutch uses it to blind his abductors, causing the car to crash, killing Pavel. He returns home, sends Becca and the children away to a safe location, and, after rounding up what’s left of Yulian’s crew, he discovers Sammy’s kitty cat bracelet where it was all along: at the base of his stereo & FM radio equipment.
He then sets his house on fire to destroy any evidence.
It is then explained that Hutch is a former “auditor”, an assassin employed by intelligence agencies to kill people who were considered untouchable or too difficult to arrest. He did his work diligently until he let a target he was supposed to kill for embezzling U.S. government funds go free. Returning a year later, Hutch found the man had built a new life and family for himself; wanting a life akin to his, Hutch decided to retire against the wishes of his superiors, and since then has done everything possible to suppress any memory of his old life.
After giving Eddie a stash of gold bars to buy his company from him, Hutch burns Yulian’s art collection and the Obshak money he was protecting for the mob, telling him that he can either choose to come after him or he can take what he has left and flee. Yulian angrily calls up every man on his payroll and pursues Hutch to the factory, where David and Harry show up to help Hutch eliminate the gangsters using a variety of weapons and deadly traps Hutch had set up. They kill all of the gunmen with the exception of Yulian, who shoots and wounds Harry; Hutch charges him with a Claymore mine attached to a bulletproof shield and detonates it, killing Yulian. He lets his father and brother escape, and is arrested by the police, only to be quickly released with no charges filed.
Three months later, while buying a new house with Becca, Hutch receives a call suggesting that his services are still required. In a mid-credits scene, Harry and David are shown driving to an undisclosed location in an RV filled with guns.