Shixi, who came from a distant planet in outer space, was an "E" grade student at Guangjitan's exclusive training school, and unexpectedly met the principal. Due to various reasons, she can go to Earth for internship, and what awaits her seems unpredictable. The identity of Yue Guang Mine and the purpose of Kuang Lin seem to be a mystery. Shi Xi returns to the past to get history back on track. Returning to the present, Yue Guang Mine also appears in Shi Xi's world. The two children in Officer Lake's family are the people in "Guang Ji Shi Shu". What will happen next? What kind of love will Shixi usher in on earth? All mysteries are about to be revealed!