As Yu's desire to meet his past lover enables him to cancel out the sealing enchantments and synchronize with his Innocence, Bak Chan demands that Fo open the way to the Sixth Laboratory, where his parents are, but Fo is under orders from Twi to keep the hallway sealed, letting only Renny escape. Meanwhile, Yu finds a comatose Marie slated to become the next Second Exorcist, and accidentally heals his mortal wound with his blood...