One, Two, Buckle My Shoe (S04E03)

Poirot is convinced that his dentist has been the victim of foul play, while Japp is inclined to consider it a case of suicide. As the two delve into the mystery, they unravel clues that challenge their differing theories, leading them into a web of secrets surrounding the dentist's life. The investigation reveals unexpected connections and motives, pushing Poirot to prove his instincts right against Japp's skepticism. The tension escalates as they race to uncover the truth before it's too late.