Before they can rise victorious, they must first descend into hell...

Captain Saul Harris of the UNF Aurora gets the call he does not want to receive. Forced to pull his team back together and go hunt down and capture old enemies, he finds himself faced with a whole new terror.

He thought the Darwin mission was over, but all those unanswered questions are beginning to haunt him.

Corporal Carrie Welles has no choice but to rejoin the Aurora crew and help her captain finish what they started. But is this mission as straightforward as it seems? Is she really prepared for the fight of her life?