Guided only by a series of notes that direct him to do the most inexplicable things—"Buy a small turtle and throw it into the lake"?—Kyon and the Mikuru from eight days in the future complete these assigned tasks, hoping that things will become clear as the SOS Brigade's adventures for that week continue. But Kyon and Mikuru's scavenger hunt soon becomes a manhunt when Mikuru is kidnapped by a rogue group of espers, time travelers, and aliens!