After impulsively killing a man who defaced a beech tree with a swastika, Andreas Loser abandons his structured life as a teacher to navigate a landscape of moral and existential uncertainty. Loser, a man defined by his classical education and archaeological interests, finds his internal order shattered by this singular act of violence. He moves through the world with a heightened, almost detached awareness, seeking to reconcile his past identity with the reality of his crime. The narrative follows his physical and psychological movement, utilizing a contemplative framework that emphasizes the protagonist's sensory engagement with his surroundings. As he traverses the terrain, he encounters various figures who challenge his perception of guilt, memory, and the possibility of redemption.

Readers and critics often note the dense, meditative quality of the prose, which prioritizes internal state over traditional plot progression. Discussion frequently centers on the protagonist's detachment and the way the author uses the environment to mirror his psychological fragmentation. Many highlight the book's focus on the weight of history and the individual's struggle to find meaning in a post-war landscape. The work is recognized for its challenging structure, which demands high levels of engagement from the reader to fully grasp the thematic nuances of Loser's transformation.