In 300 million AD, human civilization and science and technology reached their peak. In order to enable human beings to work and live better, scientists from the Interstellar Alliance proposed the "Absolute Calmness" plan to perform surgeries on all human beings so that they can remain calm under various circumstances. However, there are a very small number of people who are unable to undergo this surgery due to innate genetic defects. These people have an extremely low status in society, and Le Xun is one of them. After being found to have a genetic defect and unable to undergo surgery, Le Xun voluntarily left home and became a mercenary, living an ordinary life until he met Shi Tan, who was sent by the military...