When a birdwatcher is discovered murdered in the Saint Marie jungle, the team have a particularly puzzling conundrum to solve. Is the traditionally quiet and calm world of birdwatching more cut-throat than it appears?

When an elderly resident at a retirement home appears to have committed suicide, the team are on a mission to prove it was murder. Humphrey is surprised when his wife pays an unexpected visit to the island and suggests they give their marriage a second chance.