Clavis Shepherd serves as a special forces officer and assassin in the United States military's clandestine Special Operations I Detachment. His childhood was defined by trauma: he described "killing" his mother with his words by removing her life support, then witnessed his father's suicide via shotgun, passively noting cleanup details. Trained as a "super-soldier," he received psychological conditioning via nanomachine treatments called Battle Emotion Adaptive Regulation (B.E.A.R.), suppressing pain, fear, and emotions for operational efficiency. This resulted in numbness to violence and tragedy, including missions involving child soldiers. Repressed guilt and trauma manifest in downtime routines of cheap beer, pizza, and films.

Assigned to track John Paul—linked to instigating genocides in developing nations—Clavis operated in global conflict zones. In Prague, while investigating John Paul's associate and lover Lucia Škroupova under a businessman guise, he developed a protective stance toward her and was exposed to linguistic theories key to John Paul's methods. Confronting John Paul revealed the "genocidal organ": a linguistic mechanism activating subconscious impulses for mass violence through targeted speech. John Paul claimed retaliation for his family's death in the Sarajevo nuclear attack, triggering Clavis's ideological crisis. Discovering Western powers orchestrated the genocides via Operation John Paul caused profound disillusionment with American supremacy and its role in global suffering.

Clavis ultimately betrayed his unit during John Paul's apprehension, killing comrades including close associate Williams to prevent a cover-up of the conspiracy. He leaked Operation John Paul's data and weaponized the "genocide grammar" during a U.S. Senate hearing, deliberately triggering widespread American civil conflict to dismantle the surveillance state and complacent society.