Episode 01, "Search for the Soldiers": The year is 199X. Sky Force, a special branch of the Earth defence force, have developed the body-enhancing Birdonic radiation. After the initial experimentation on Captain Ryu Tendo, aliens called the Vyram attack and destroy their orbital space station, killing Tendo's lover Rei Aoi in the process. The radiation is spread out across Japan, enhancing four certain youths, and now Ryu and Commander Aya Odagiri must find them to complete their team and defend the world...