He met him on a trip and accidentally discovered a cave. Their curiosity made them take risks, but they were trapped in the depths due to a sudden earthquake. Their desire for survival finally led to rescue. When the two were taken out of the cave by rescuers, the world they saw began to fall into madness: Is this a fairy tale? Or did you stumble into a horror novel? Is it just to survive and go with the flow? Or are you desperate to find your way home?