It follows Sam Fisher and members of 4th Echelon as they fight terrorism across the globe to stop a threat known as the Blacklist. The game features a single player campaign, co-op missions, and marks the return of the fan-favorite adversarial multiplayer mode SPIES VS MERCS. All games modes can be accessed through a central hub called the SMI on 4th Echelon's private plane, the Paladin.