Momo believes in ghosts while Okarun believes in aliens; to make each other believe what they deny, they head to a spot famous for UFO sightings and a spiritual hotspot.

Momo awakens psychic powers, while Okarun is cursed by Turbo Granny; they evacuate to Momo's house, but a giant alien appears before them.

Momo's grandmother, Seiko saves Okarun from a tough spot; Okarun must now play tag with Turbo Granny to lift his curse.

Momo and Okarun succeed in capturing Turbo Granny through their game of tag; however, a crab-shaped location-bound spirit approaches them.

Victorious against Turbo Granny, Momo and Okarun regain peace; they have gotten closer through the traumatic experience, but they find their relationship to be awkward.

Aira has the missing golden ball; she can now see invisible things, possibly due to the effects of the ball.