The play Exit is a fictitious story taken from a military wronged case in Taiwan after Declaring martial law, starting from the strange young man Shen Yun-Chi carrying a box of mysterious objects to visit the dying elderly Peng Bo-Zheng, and gradually exposing the atrocious past of thirty years ago. The play aimed at showing how human nature was distorted in the era of Imprisonment, and excavated the most naked humanity. The play interspersed with the image of "the ship of fools" that expelling the lepers in medieval Europe, to highlight the theme of imprisonment and banishment. This thesis will include the play and the author’s reflection on the play to show the beginning and subsequent developments of the making of this play.