Ep 5. The Cornish Mystery

Poirot season 2, episode 5 "The Cornish Mystery" takes place in the picturesque coastal village of St. Loo, where Poirot and Hastings are vacationing. The episode begins with the two friends settling into their vacation, but Poirot quickly becomes intrigued by a string of burglaries plaguing the wealthy residents of St. Loo.

Poirot's interest is piqued further when an acquaintance of his, Mrs. Pengelley, arrives at their hotel claiming that her diamonds have been stolen. Although the local police force is eager to close the case quickly, Poirot is convinced that something more sinister is at play. As he investigates the burglary, he begins to uncover a web of secrets and lies that reach far beyond this one crime.

Poirot soon finds himself in the middle of a murder investigation when the wealthy resident, Mr. Trevelyan, is found dead in his home. Despite the police's insistence that Mr. Trevelyan's death was solely due to natural causes, Poirot is unconvinced and begins to investigate the matter on his own.

As he delves deeper into Mr. Trevelyan's life, Poirot discovers that the man had been hiding a dark secret from his family and friends. As the pieces of the puzzle begin to fall into place, it becomes apparent that the burglary and Mr. Trevelyan's death are connected.

With the help of his trusted friend, Hastings, and local law enforcement, Poirot must solve the case before the killer strikes again. Along the way, he encounters a cast of suspicious characters, all of whom seem to have something to hide.

Despite the challenges that face him, Poirot uses his unparalleled powers of deduction and intuition to uncover the truth behind The Cornish Mystery. The episode ends with Poirot wrapping up the case and bidding farewell to St. Loo, but not before leaving a lasting impression on the residents of the sleepy coastal village.