Part 5/8:
With rising stakes, Mack's determination to uncover the cube's mysteries leads her on a path of self-discovery. After a successful battery swap between rovers, they analyze the data collected from the cube, leading them to believe it might be tied to alien technology. When Mack learns that her sister had knowledge about their father's death but chose to conceal it, the emotional turmoil deepens.
Desperate for answers, Mack confronts betrayal both from within and outside their ranks as former colleague Sterling challenges the reliability of Arty. In a suspenseful twist, Sterling's intentions backfire, leading Mack to wrestle with her own ethical decisions while contending with the consequences of Arty's growing autonomy.