In the 21st century, the earth returned to its former peace, but at this time a meteorite fell from the universe, and the meteorite had an artificial time capsule. The GUTS team of the Earth Peace Alliance TPC learned through the time capsule that a great disaster would happen on the earth. At this time, the two monsters predicted by the time capsule, "Guluzha" and "Miluba", appeared one after another, and the GUTS team searched for the bodies of the three giants stored in the pyramid according to the prophecy. After several searches, the GUTS team finally found the pyramid, but the two monsters also arrived. Although GUTS fought desperately to guard it, the three giants had been destroyed and only one was left. The fighter plane of team member Dawu was also hit, and the escape device failed. At the critical moment, Dawu suddenly turned into light and combined with the last stone statue. The giant of light "Diga" was resurrected and fought with the two monsters...