A set of photos from the broadcast - Beginning - is shared with everyone. It tells the story of game architect Xiao Heyun (played by Bai Jingting) and college student Li Shiqing (played by Zhao Jinmai) who came back from the dead after being hit by a bus explosion.During the time of the accident, he continuously experienced a time loop, from getting out of the car to save himself to breaking the barriers and fighting side by side, trying to prevent the explosion and find the truth.