- Realistic dilemma: Yu Luo, a computer science student, was forced to drop out of school and work due to family changes. He accidentally obtained the qualification for a mysterious game cabin and the internal beta test of "Nine Realms", hoping to make a living through the income from the game.
- Entering the Nine Realms for the first time: Yu Luo created the character "Yun Ce" and started an adventure in the oriental-style "Green Underworld". He discovered game loopholes with his computer knowledge and obtained the hidden profession "Gap Walker".
- Fateful encounter: After rescuing the hunted top player "Yuehua Qingying" (the real-life e-sports goddess Su Qingying), the two went from mutual suspicion to establishing initial trust.
- Conspiracy emerges: Abnormal data fluctuations occur in the game, NPC performance exceeds program settings, and a mysterious organization is tracking beta players in reality.
- **Double Crisis**: Yu Luo discovered that "Nine Realms" is not only a game, its AI may have developed autonomous consciousness; at the same time, he must hide his identity to deal with threats from inside and outside the game.
