Murder on the Riddle Island

This story is about a man, Francis who has lived a very exuberant and luxurious life. After his retirement, he bought a faraway private island to spend his last days of life. Everyone is curious about his lavish life dreamy, famed, riddle island, and want to know what he is up to. People become very excited when he announces an extravagant party, but he invites only 13 people. These guests make their way to the island and familiarize themselves with the host and their surroundings. These guests feel that there is something strange and fishy. This part might just last until they all die.