Carrying Zack's knife, Rachel sets off once more, determined to find Danny and get the medicine she needs to stop Zack's bleeding. But once again, pink smoke carries her away into a world where she can't tell illusion from reality.

Floor B1 looks like an ordinary residence. After following a trail of blood to what appears to be a living room, Rachel suddenly panics. She pressures Zack to kill her immediately, then passes out. Then Danny appears, only to shut Zack out of the room and tell him, "If you succeed in learning everything, I'll open the door." So Zack sets off to search the floor on his own for the truth...