A piece of script trapped all living beings, and Xiao Yibai was born out of thin air into the world of actors. The door to the play is always open, and life and death are uncertain during the tasks, but the audience never appears behind the scenes. In the darkness, the invisible pen keeps writing, and the actors' suffering and death are all entertainment dramas written by the audience. Trapped in a arbitrarily written plot, Xiao Yibai went through many drama doors to explore the true identity of the empty audience and seek to break out of the situation and escape.