Ling Jiushi, a VR game designer, unexpectedly receives a beta disc for a "Spirit Realm", an underground new game. After an accident, he finds himself in a corridor with twelve iron doors.

Ling Jiushi learns more about the snowy world and the mysterious injured person.

The group visit the village carpenter and are instructed to head up the mountain to collect logs for a coffin.

Ruan Baijie and Ling Jiushi start to unravel the rules of the snowy world.

Only four players remain in the snow village as plans are made and the coffin is completed.

Ruan Baijie and Ling Jiushi piece together the mystery at the heart of the village.

After escaping the snow village, Lin Jiushi meets up with Ruan Baijie.

Ling Jiushi sees past players die from accidents, realizing he cannot refuse the doors. He is transported to a 1985 elevator room for the challenge.

Players receive eggs at a birthday party for triplets. The eggs are the door’s taboo condition, and accidents occur that night.

Zeng Ruguo goes mad and attacks Shen Yixian; the egg breaks, triggering death. Ling Jiushi experiences hallucinations confirming the taboo condition.

Ling Jiushi discovers the true nature of the eggs. After surviving an attack, he uncovers the identity of a boy in his hallucinations.

Moved by Ruan Lanzhu’s trust, Ling Jiushi joins Black Obsidian. Birthday party chaos reveals three overlapping timelines and a mission to change fate.

The group uses a time machine to prevent Shen Yixian’s mother from being killed, and the key appears.

Ling Jiushi moves into Black Obsidian Villa, learning the difficulty rises with each door. The next clue is the human-skin drum.

New player Xu Jin joins, and Ling Jiushi navigates a creepy exhibit with Meng Yu and Ruan Lanzhu.

Inside the exhibit, a mural tells of a sister searching for her sibling. Needle rain kills disobedient players, and the day ends back at the base.

In a tower, Ling Jiushi is trapped in a painful hallucination. Ruan Lanzhu finds a notebook, and blood footprints appear overnight.

Ling Jiushi solves a riddle from an old woman and suspects the bride-costumed monster on the roof is the missing sister.

Xu Jin reveals her true form and uses drum-induced illusions. Ling Jiushi is saved by Ruan Lanzhu.

Ling Jiushi uses drum sounds to scare Xu Jin away, the key appears, and the monster is captured on the exhibit roof. A new player arrives.

Ling Jiushi and Ruan Lanzhu enter the Satchan gate, realizing a series of hidden deaths in the school.

Tan Zaozao is revealed as a celebrity and the team receives new clues to the Satchan gate.

Ling Jiushi confronts X Organization’s fake leader and discovers secret hard drives.

The team navigates a high school gate, uncovering cursed award certificates and hidden student records.

Following a blood-written song, the team investigates a series of student accidents tied to Sazi.

Ling Jiushi discovers deadly clues in the school and bloodied walls, revealing dark intentions.

The team deciphers a spiritual clue in the archives, racing to uncover Satchan’s story before the semester ends.

Ling Jiushi experiences Satchan's torment, prompting the team to investigate bullying and curses.

Satchan's death sparks mysterious retaliations, revealing the true instigator behind the class’s misdeeds.

Ling Jiushi uncovers the truth behind Satchan's photo and classmates’ deaths, finding a clue to the key.

The tragic story of Satchan is revealed, and deception within the group triggers deep anger.

Ling Jiushi assesses players’ mental states, teaming with Ruan Lanzhu to survive the first gate.

Ling Jiushi and friends prepare for the third gate, with rival groups maneuvering for advantage.

Tan Zaozao enters the third gate, while Ling Jiushi saves a teammate from a deadly trap.

Manipulation and hidden attacks threaten the team, who focus on a morgue to uncover critical clues.

Ling Jiushi tracks the vengeful nurse, using strategic observation to prevent further deaths.

Ruan Lanzhu discovers the key tool, following a suspicious figure to reveal the director’s plot.

A doll is secured in Obsidian as Ling Jiushi is recognized as a promising player, while others’ mental states falter.

Ling Jiushi and Ruan Lanzhu commit to finishing the game while avoiding X Organization’s traps.

Ling Jiushi enters the Woman of the Rain gate, uncovering unusual paintings and the mysterious presence of the female owner.

Ling Jiushi discovers the stakes in the painting world as illusions blur reality, exposing a fake Tan Zaozao.

Clues hidden in paintings lead the team to uncover possible plagiarism and protect their positions in the game.

Ling Jiushi rescues a trapped friend from a painting, uncovering betrayals within the group.

Ling Jiushi narrowly escapes the female antagonist after grabbing the key, waking up in Obsidian Villa.

Ling Jiushi learns Ruan Lanzhu risked everything for him, uncovering matching scars and deeper mysteries.

Ling Jiushi witnesses a festival as part of the Night Crying Baby Gate, with hidden dangers lurking within.

Ling Jiushi learns the festival is a trap as he enters the Night Crying Baby Gate, protected by Li Dongyuan.

A murderous intruder and sinister rituals reveal the grim truth of the manor and the missing children.

Ling Jiushi discovers children’s memorials hiding dark secrets, uncovering the abuse behind the Night Crying Baby Gate.

The team uncovers clues in a university-like room, avoiding a trap set by Yan Shihe while identifying the oil thief.