Plot synopsis: "Mystery in the Box" is an all-star immersive drama suspense variety show. Huang Lei serves as a variety show producer for the first time, creating a variety show version of Truman's world. He will customize their own "Spiritual Healing Journey" for each of the 10 groups of friends in the circle. One box space, 100 characters, 10 mystery tourists, all stories are closely related to his/her life experiences. Visitors need to interact with the characters in the box, promote the plot, and uncover the truth of the story step by step in various bizarre, hilarious and reversal in order to get out of the box.