Halo: Lone Wolf #3

Plot

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. Based on the popular Halo video game series!