Charged with reclaiming the final dangerous object, Yusuke infiltrates a mansion. Later, Koenma assigns him a powerful mentor to help with training.

Rogue yokai steal three dangerous objects. As Yusuke grapples with his new powers, children playing at a park mysteriously collapse to the ground.

Awakening to a startling truth, Yusuke is greeted by a Spirit World guide. Meanwhile, malevolent otherworldly forces unleash chaos in the Human World.

On Kubikukuri Island, Yusuke's crew disperse to confront their foes. Locked in a prison cell, Keiko encounters Yukina and devises an escape plan.

Yusuke finally comes face to face with Toguro and uncovers the shocking truth. Koenma confronts Sakyo as the Demon World rapidly opens up.