In the aftermath of the events in Cremona, detective Keith Flick confronts his inner demons to unveil the city's dark secrets, while the enigmatic Koku finds a precious link to his past. Months later, as the world moves on, Keith reopens an investigation, Koku seeks peace with Yuna, but their tranquility shatters with the unexpected return of Koku's presumed-dead lab partner, Kirisame, hinting at the lingering impact of the Jaula Blanca experiments.