Song Xinghe, an alien from a high civilization, accidentally became the son-in-law of the Song family after being exiled to Earth. In this family, he was looked down upon and treated as a waste by his relatives. But when the most dangerous hunter in the universe came to Earth, and when the Earth's military discovered alien invaders, no one knew that this son-in-law, who was despised by his family, was once the strongest interstellar god of war in the galaxy. Hiding his identity, he had to deal with being bullied by his relatives and saving the earth. When his selfish relatives pushed him to death, Song Xinghe decided not to hide anymore. He wanted everyone to know: the trash you look down on is the god you will always look up to. However, when he showed his talents, he discovered that there was a bigger conspiracy hidden behind it all...
