Shepard, sent to inspect the base of Cerberus, which reigns suspicious silence, arrives in search of Goths, captured the base. The only survivor, Chief Scientist Archer tells him the terrible picture of what happened: as a result of the experiment on the unification of Volunteers c virtual intelligence creates a dangerous hybrid VI overlord. Furious artificial intelligence has already attacked three other bases and Cerberus took control of all available technologies in an attempt to break free and expand the Goths across the globe. If Shepard can not penetrate his stronghold, the deadliest Intelligence cebya circulate around the planet and will wreak havoc in other systems.