Lin Xiang, a new employee of the Earth Alien Investigation Bureau, thought that his new job was just to maintain peace with alien creatures, but he accidentally stumbled into a major alien incident. Gradually uncovering the secrets behind the many aliens stranded in the galaxy and the frequent occurrence of strange things on Earth, Lin Xiang and his alien partner A Lilie, scientist Song Weiwei and team members formed a hilarious investigation team. In the process, there are not only interesting interactions with aliens, but also misunderstandings, conspiracies, power struggles and the growth of friendship. Each volume focuses on independent events, and ultimately connects them together into a full picture of the galaxy-wide conspiracy. In an adventure that spans species and cultural differences, Lin Xiang's team uses humor and courage to uncover the truth, resolve crises, and harvest growing friendships. In the end, in a galaxy-level alien crisis, Lin Xiang's team relied on wisdom and unity to protect their homeland and promote a new era of coexistence between humans and aliens.