The Lost Fleet - Courageous

The Alliance fleet is damaged and depleted after a series of violent clashes with their enemies, the Syndics. Captain "Black Jack" Geary fears that their adversaries are catching on to their tactics - can he persuade his weary fleet to attempt a potentially deadly gamble?
Meanwhile Alliance intelligence gatherers alert Geary to the possibility of another potential antagonist in the war - a mysterious power that may have the means to annihilate the human race...