Poirot returns to Belgium for the first time since the Great War, and there he revisits a twenty-year-old murder mystery that was never officially solved. We flash back to an eager young detective on the Brussels police force, working to serve a young woman who has come to him for help. In the process, the pin the older Poirot wears is identified.
Elenco: David Suchet , Hugh Fraser , Philip Jackson , Pauline Moran .