Unterm Birnbaum is a novel written by Theodor Fontane. The story follows the life of a seemingly respectable innkeeper named Wollin who is actually a cunning and deceitful man. He conspires with his lover to murder a wealthy widow in order to inherit her fortune.
As the plot unfolds, Wollin's true nature is revealed as he manipulates those around him and covers up his crimes. However, his guilt begins to consume him and he becomes paranoid that he will be caught. The tension builds as the authorities close in on him and his carefully constructed facade begins to crumble.
Unterm Birnbaum is a gripping tale of deception, betrayal, and the consequences of one man's greed. Fontane's masterful storytelling keeps readers on the edge of their seats as they follow Wollin's descent into darkness.