Evil Under the Sun
Hercule Poirot is called in to investigate a case for an insurance company regarding firstly a dead woman’s body found on a moor and then an important diamond sent to the company to be insured that turns out to be fake.
Poirot discovers that the diamond was bought for Arlena Marshall by Sir Horace Blatt, and travels to the tropical island hotel where Arlena is on her honeymoon. After arriving he discovers that everyone else there has their own feud with Arlena, and it’s only a matter of time before she turns up murdered...