In the year 2068, humanity has established a thriving civilization on Mars. However, the sudden appearance of a mysterious cube-shaped object in orbit around Mars plunges the planet into a catastrophic crisis. This object, dubbed "Cube," emits a powerful energy wave that disrupts all electronic equipment and plunges Mars into chaos. The protagonist, a young engineer named Leo, accidentally discovers that he is immune to the Cube's interference. He joins a special task force and embarks on a perilous journey into space to uncover the truth behind the Cube and save humanity's future. This journey will take him "to the stars"—Ad Astra.