In "Sniper Elite: Secret Mission," the plot unfolds when Sniper and CIA Rookie Sniper Brandon Beckett discover the involvement of a corrupt federal agent in a human sex trafficking ring. Fueled by a sense of justice and betrayal, Beckett decides to go rogue. He seeks the help of his former allies, Homeland Security Agent Zero and the skilled assassin Lady Death, to bring down the criminal organization and expose the corrupt agent. As the team delves deeper into the dangerous world of human trafficking, they must navigate through treacherous situations and face formidable enemies to achieve their mission of bringing the perpetrators to justice.