Recruited with high salaries by the Interstellar Mining Group, five earthlings with distinctive personalities were sent to the legendary 'alien planet' Heptos to assist in resource collection and biological research. However, on the first day of landing, they encountered various unexpected alien bugs, intelligent creatures and abnormal weather. As the surviving team explores in constant laughter and crisis, they gradually uncover the secrets of the alien planet - it is the biological legacy experimental site of several cosmic civilizations. Various forces are fighting openly and secretly, alien creatures mutate frequently, and the team is also facing internal and external pressures, and gradually grows up during the adventure. In the end, everyone used friendship and wit to join forces to break through the siege, becoming the only witnesses to reveal the planet's origin, and also ushered in unexpected turning points in their lives.