In a rigidly class-based interstellar empire, Lin Xingchen, a girl from a garbage planet, steals medicine from nobles to save her adoptive mother, only to become embroiled in a deadly conspiracy. On the verge of death, the dormant ancient AI "Silver Moon" in her right eye suddenly awakens, granting her dual stellar power and mechanical talent. Seeking revenge, she assembles the mecha "Rusty Moon" from scrap metal, turning the tide in a deathmatch against the noble team, but also revealing her identity as a "clone of an ancient civilization."

Forced into the Federal Military Academy, Lin Xingchen finds herself navigating relationships with the cold-faced instructor Gu Chenxing, the androgynous prince Chu Xinghe, and the Zerg warrior Ling Ye. While establishing the "Starry Sky Merchant Guild" to monopolize the female mecha market, she also unravels the dark experiments of the "Rose Project." When the Zerg Queen resonates with her, and Yin Yue's memories gradually return, she discovers that the entire interstellar war is a cruel experiment by an advanced civilization…