A man lies dying by the swimming pool,his blood dripping into the water and his wife stands over him, holding a revolver.As Poirot investigates he begins to realize that beneath the respectable surface lies a tangle of family secrets and everyone becomes a suspect.

A far-from-warm welcome greets Hercule Poirot as he arrives for lunch at Lucy Angkatell's country house. A man lies dying by the swimming pool,his blood dripping into the water and his wife stands over him, holding a revolver.

As Poirot investigates he begins to realize that beneath the respectable surface lies a tangle of family secrets and everyone becomes a suspect.