A famous actress were killed by a secret gun. On the night of the first seventh day, private detective Man and suspects were kidnapped in a theater. The mysterious masked killer, known as the "madman," surrounded them with his subordinates and forced detective Man to find out the true culprit within four hours. Otherwise, everyone on the scene would be killed and the souls of the beautiful women would be sacrificed. Countdown starts. Everyone had secrets, everyone was acting, fighting against gods and immortals, searching for criminals in secret rooms. There was a hidden answer in the answer, which was reversed and then reversed again, causing a thrilling burst of laughter and layers of lies, gradually uncovering the truth.