In a future where time travel has been mastered but strictly regulated, a rogue faction emerges with plans to rewrite history for their gain. Tasked with protecting the timeline, a team of historians-turned-agents must travel back to pivotal moments in history to thwart their enemies. But when the line between past and future blurs, the agents uncover a shocking secret: history itself is a lie, and the future they know was built on the ashes of forbidden truths.