Zahi A. from Link-Cable writes: “Human colonies are disappearing, an elusive pro-human organization called Cerberus is emerging from the shadows, and the greatest threat the galactic civilization has ever known, The Reapers a hyper intelligent galaxy harvesting alien machine race are coming. And theres only one person in the galaxy that can stop them: the first ever human Spectre, Commander Shepard.”
Source: N4G PC Retro Review: Mass Effect 2