Hercule Poirot met his lifelong friend, Captain Arthur Hastings, and solved the first of his cases to be published, "The Mysterious Affair at Styles". It is clear that Hastings and Poirot are already friends when they meet in Chapter 2 of the novel, as Hastings tells Cynthia that he has not seen him for "some years". Particulars such as the date of 1916 for the case and that Hastings had met Poirot in Belgium, are given in "Curtain: Poirot's Last Case", Chapter 1. After that case, Poirot apparently came to the attention of the British secret service and undertook cases for the
Hercule Poirot justice that twelve jurors had acquitted him and twelve people had stabbed him, Poirot produced an alternative sequence of events to explain the death. After his cases in the Middle East, Poirot returned to Britain. Apart from some of the so-called "Labours of Hercules" (see next section) he very rarely went abroad during his later career. He moved into Styles Court towards the end of his life. While Poirot was usually paid handsomely by clients, he was also known to take on cases that piqued his curiosity, although they did not pay well. Poirot shows a love of steam trains,