When a wealthy patriarch dies, his sister's casual remark that he was murdered sets off a chain of lethal events that forces Hercule Poirot to intervene. After the funeral of Richard Abernethie, the family gathers to settle the estate, only to have their mourning interrupted by the brutal killing of the sister who dared to suggest foul play. Poirot must navigate a web of greed, resentment, and hidden motives among the surviving heirs to identify the culprit. The narrative follows a traditional investigative structure, relying on Poirot's methodical interviews and psychological observation to dismantle the suspects' alibis.

After the Funeral remains a staple of the golden age detective genre, frequently cited for its clever subversion of family-based murder tropes. Readers often highlight the sharp contrast between the seemingly respectable heirs and the underlying malice that drives the plot. The inclusion of Hercule Poirot provides a steady, analytical anchor that balances the chaotic and often petty squabbles of the Abernethie family. Critics and fans alike appreciate the intricate puzzle construction, which maintains a high level of engagement until the final revelation. The novel is widely regarded as a quintessential example of Christie's ability to weave complex motives into a tightly controlled narrative framework.