Fable, a renowned assassin, reaches a tipping point in his career after a surge of completed missions. Instructed by his superior to take a year-long hiatus to blend in as a civilian, Fable, alongside his driver posing as his sister, embarks on a transformative journey. Bound by a strict no-kill rule, they navigate the challenges of a temporary civilian life, setting the stage for Akira and Youko Satou's intriguing sabbatical from their shadowy past.