It's about several strangers who somehow fall into a maze of death traps. They don't know how to get here or where they are. The rooms inside are exactly the same. Everyone avoids all kinds of traps and realizes that they must work towards the same goal, that is, trying to escape.

Among them: Quentin is a strong police officer; Lonnies is an old jailbreak expert and sensor expert; Holloway is a social activist and a doctor; Voss is an architect; Levin is a young student studying mathematics. She has a clever mind and found a password solution to make them escape. Only the autistic scholar Kazan became a burden for them to escape.

Soon, the shrewd Lonnie died unexpectedly in the cube. Without the pressure of food and water, reason gradually turned into despair. In the conflict with Quentin, Voss revealed that he really knew the structure of the cube, and the shell of the cage was designed by himself. A group of people finally found the way to the edge of the cube, but it was just a crack between the cube and the shell. Holloway volunteered to find the exit on the wall, and they put her down with clothes and ropes. However, when she was pulled up, Quentin suddenly went crazy. He let go and holloway fell headlong. Mental trauma combined with emotional excitement further deepened the division. As time went on, conflicts broke out constantly. Obviously, the enemy they face is not just a cube, but themselves. ...