During a future war where soldiers are subjected to intense psychological pressure. The protagonist, a soldier named Willibald, is experiencing extreme anxiety and fear. He is stationed in a bunker, constantly bombarded by the enemy's psychological warfare tactics, which include loudspeakers blaring demoralizing messages and propaganda designed to break the soldiers' spirit.Willibald is on the verge of a mental breakdown, haunted by the incessant noise and the looming threat of death. He feels trapped and helpless, unable to escape the relentless psychological assault. The story delves into his internal struggle, highlighting the effects of psychological warfare on a soldier's mind.In a desperate attempt to find solace, Willibald recalls a conversation with a fellow soldier who had mentioned a mental defense mechanism a way to build an impenetrable mental fortress to shut out the enemy's propaganda. Inspired by this idea, Willibald tries to create his own mental defense mech, a fortress of thoughts and memories that can protect him from the psychological onslaught.As he constructs this mental fortress, Willibald focuses on positive memories and strong, resilient thoughts. He envisions a protective barrier around his mind, blocking out the enemy's messages and finding inner strength. Gradually, he feels the effects of the psychological warfare lessen, gaining a sense of control and resilience.