In 2030, Chinese astronaut Qiu Yue discovered an undetectable transparent object in space. It was a "cosmic suicide note" from a destroyed civilization, recording a terrifying existence that could destroy civilization. Now they are aimed directly at humans, who are almost unable to resist. In the end, Ultraman Vespero, the giant of light who originated from the last hope of the suicide note civilization and resonated with researcher Lin Zhong, came to the battlefield and stood between the monsters and the city, bringing the only variable to the desperate situation.