Natsuno wakes from a nightmare of Megumi attacking Tooru, only to later discover Tooru has died, confirming his fears. Seishin investigates the deaths and finds that many victims quit their jobs shortly before dying, suggesting a disturbing pattern. 

Masao awakens as a vampire and is coerced by Tatsumi into feeding on humans to survive. Natsuno, Kaori, and Akira plan to exhume Megumi's grave to confirm their suspicions about the undead, but their conversation is overheard by Tatsumi. Dr. Toshio suspects vampires are behind the mysterious deaths and devises a plan to use a patient as bait, seeking Seishin's assistance.