Lured away from her research on the protheans, young archaeologist Liara T'Soni joins an expedition to an unexplored part of space. There, a ruined world and a derelict ship hold secrets that may explain the cause of the prothean extinction or may be the harbinger of their own.

Kallian Tabris slew the archdemon and defeated the blight, but the future she hoped for failed to come to pass. As evil begins to stir on the broken world of Malachor, Kallian sets out for the wider galaxy where new allies and enemies await.

The Chantry teaches that man's sin drove the Maker to turn away from His creation and brought doom upon the world. The Endless remain though, each fulfilling their role and performing their function as aspects of the mortal world.

Used to a life of hardship and violence, young Kallian Tabris now faces the consequences of her actions from that terrible day. The blight now awaits along with a mysterious stranger whose interest in Kallian might not be entirely benevolent.