While carrying out a mission, starship crew member Lin Yi crashes on an alien planet after receiving a mysterious distress signal. There, he encounters Shen Zhiqing, and the two join forces to survive. They explore abandoned bases, fend off ferocious alien beasts, and gradually develop feelings for each other as they spend their days together. Lin Yi realizes that Shen Zhiqing is hiding a secret, and that the base conceals the truth behind mysterious mutated organisms. After their companions suffer unexpected misfortunes and the two face one peril after another, they narrowly escape. Burdened with the responsibility of keeping the secret, Shen Zhiqing painfully parts ways with Lin Yi. After making proper arrangements for Lin Yi's friends and family, Shen Zhiqing sets off alone into the vast universe, bearing the shackles of destiny alone.