A diverse group of seven individuals, including Harlan, Catalina, Bova, Rosie, Radu, Mrs. Davenport, and Commander Goddard, infiltrate the enigmatic Christa spaceship, which possesses a sentient half. Upon arrival, they encounter an android named Thelma, who warns them of an impending perilous wormhole that would take seven years to traverse, threatening to propel them into a distant dimension.

Next episode, the cadets face a close call after a sudden ambush by Spung Kil...