In a future where Earth’s resources are depleted, humanity turns to space colonies for survival. The protagonist, Kenji, a young, talented engineer, is assigned to Orbital Station 7, a critical hub for maintaining the solar space network. Upon arrival, Kenji meets Aiko, an experienced pilot, who becomes his closest ally. Together, they navigate the complexities of life in orbit, dealing with both technical challenges and interpersonal dynamics within the diverse crew. The station’s mission is to build and repair solar satellites that harness energy for Earth, a task becoming increasingly vital as terrestrial power supplies dwindle. Meanwhile, a mysterious series of malfunctions begins plaguing the station, raising tensions among the crew and hinting at possible sabotage.

As Kenji and Aiko work to uncover the source of the malfunctions, they encounter various obstacles, including distrust among the crew and bureaucratic interference from Earth-based authorities. The situation escalates when an unexpected disaster strikes the station, putting everyone's lives in jeopardy and threatening the mission’s success. Racing against time, the protagonists must figure out who is behind the sabotage and restore the station’s functionality before it’s too late. Personal stakes rise as they discover hidden motives and form deeper bonds, requiring them to rely on their ingenuity and bravery to save both the station and humanity’s future.