Set during the video game Gears 5, GEARS OF WAR: BLOODLINES finds Kait forced to choose between following her mother's Outsider ways, or her duty as a COG soldier like her father, Gabe Diaz: hero of Gears Tactics. As Kait learns of Gabe's choices on the brutal mission that defined his Pendulum Wars legacy, she discovers how his actions shaped her future?and prepared her for war against the Swarm.