Once more, Anne displays her uncanny talent for escaping certain death. She recuperates from her injuries on a secluded island in the Zambezi River under the care of the Man in the Brown Suit. Finally, Anne learns Harry’s story and, together, they try to deduce the identity of the sinister “Colonel.” “On the Island” is the eight episode of a nine-part adaptation of Agatha Christie’s The Man in the Brown Suit.