In the depths of space, aboard the Teraju 9 spaceship, Commander Arjuna leads a mission alongside his wife, Inri, and the android AIN to explore distant planets. As they journey through the galaxy, tensions arise when Inri becomes suspicious of Arjuna's close bond with AIN.

Caught in a web of jealousy and mistrust, Inri's feelings intensify, threatening to unravel the harmony of the mission. As the love triangle unfolds amidst the stars, the fragile balance aboard Teraju 9 teeters on the brink of disaster.

In a tale of love, betrayal, and the mysteries of the cosmos, "Teraju 9" explores the complexities of human emotions against the backdrop of the infinite universe, leaving viewers on the edge of their seats, eager to uncover the secrets that lie beyond the stars.