Syphon Filter: Dark Mirror follows the story of Gabriel Knight and Dana Roebuck, two secret agents working for a top-secret organisation. They must stop an evil plot by a mysterious woman named Ariana Forester, who has stolen a powerful device that can control the world's financial markets.
Gameplay involves shooting and action sequences as you guide both Gabriel and Dana through various environments, from rooftops to underground facilities. The game features fast-paced combat, cover mechanics, and puzzle-solving elements.