Humprey's Aunt Mary visits the island and becomes the only witness to the murder of John Green, a holidaying salesman. Finding suspects proves difficult as a motive cannot be found, and meanwhile Aunt Mary is pursuing her own investigation - into Humphrey's secrets. Luckily for Humphrey, he finds he can distract Mary by getting her involved with the case and her insights soon prove invaluable.
Broadcast In: English Duration: 0:52:19