An experiment to make heroes with the power of Birdonic Waves goes wrong with the arrival of the Dimensional War Party Vyram.

The team continues to track down the remaining two hit by the Birdonic Waves to complete the Jetman.

Ryu faces an uphill battle to recruit the selfish Gai for the team while Tran releases a faucet Dimension Beast to torment the populace.

Kaori leaves the Jetman in anger over her princess-like attitude, yet sees who her real allies are when her childhood fiance returns to Japan.

After Kaori temporarily loses function of her legs, Gai protects her as the Jetman faces Vyram attacks on multiple fronts.

Gai becomes trapped in an apartment transformed into a giant Dimension Beast, while Ryu's attempt to rescue him forces him to face the wrath of Radiguet.