In the year 2100, Earth's energy resources are nearly depleted, and environmental pollution grows increasingly severe. To realize the plan for exploring extraterrestrial star systems, humanity created robots called "Sai'ers" and constructed the energy exploration spacecraft, the "Sai'er Hao." During their cosmic explorations, they also discovered alien spirits, who became crucial helpers and companions to the Sai'er robots in their search for new energy sources. However, evil forces led by the cosmic pirate organization "Obi" are recklessly plundering the universe's resources. To thwart their schemes, the brave Sai'ers and their righteous spirit partners join forces to fight for the preservation of cosmic peace...