On the seventh day of July, "the legacy of the Kingdom of Light will cause a rift in time and space" - the prophecy left by Ultraman Tiga, which involved the deliveryman Lin Xia in the crisis of survival in the two worlds. When he picked up the Zeta Sublimator in the urban village, he not only gained the power to transform into Ultraman, but also discovered that he was actually the host of the "Twin Light Traces" connecting Tiga's genes and Zeta energy.
