Information on the Mass Effect story Batarian Tango will be added as the plot progresses. What has been written so far can be accessed here.
Starting in the interim period between Mass Effect and Mass Effect 2, Batarian Tango follows the exploits of a mismatched team of Alliance Corsairs in their quest to unearth the conspiracy behind a series of devastating raids against human colonies on the borders of the Attican Traverse and in the lawless Terminus Systems that could ultimately endanger peace and the galactic balance of power. Meeting at Omega, they soon find themselves in the employ of the enigmatic Aria T'Loak to attain the information they need.
Short descriptions and links to individual wikia articles will be given as the story progresses.