When an unnatural disaster occurs on Earth due to the beginning of a celestial event known as the Grand Cross, the five Tatsumi siblings unexpectedly reunite as their father returns and summons them to stop a potential calamity.

Shou shows defiance in the siblings new position as GoGoFive even as the Psyma Family reveal themselves and threaten to hurt a friend of his.

Nagare is forced to leave the team after he lets Daimon become injured by a Psyma Beast set up by Denus.

Matsuri's consideration for the elderly comes under fire from her siblings as well as from Drop's Psyma Beast whose weather control hurts an elderly man's beloved flowers.

A boy is inspired by Kyoko to become brave and save his father from a Psyma Beast trying to destroy a dam with his mystical abilities.

Shou quits GoGoFive to push forwards his dreams as a pilot, even as his department is targeted by a Psyma Beast for an experimental killer mold being transported.