Director Gavin O'Connor announced that "The Accountant 2" will be part of a trilogy, with a third film in development.
When an old acquaintance is murdered, Wolff is compelled to solve the case. Realizing more extreme measures are necessary, Wolff recruits his estranged and highly lethal brother, Brax, to help. In partnership with Marybeth Medina, they uncover a deadly conspiracy, becoming targets of a ruthless network of killers who will stop at nothing to keep their secrets buried.
Christian Wolff, a forensic accountant with autism, uncooks the books for criminal clients. As the Treasury Department closes in on him, Christian must stay one step ahead while the body count rises.