“With Covenant forces closing in on their location, Spartan sharpshooter Linda-058 must rally the human settlers under a single essential cause: protect an AI that contains the bulk of human history. As new threats rise, the legendary supersoldier sees her mission parameters shift and finds that she will need help from the very man she was sent to kill.”

“With Dr. Chen, a dangerous ex-ONI scientist, in her sights, Spartan Linda-058 and her AI companion must find a way to end the threat posed by Chen and evacuate the endangered humans in the settlement. But as the Covenant prepare to stage an assault, Linda discovers that Chen holds the key to a secret that could endanger all of humanity if it fell into the wrong hands.”