10 people are called to Natural Island Hotel to the island Heitaijima off Yachijojima by the master Nanao Shin. They take the dinner that has been prepared why they have been invited for this island and while filled up with a mixture of anxiety and expectation about what exactly is going to take place. Then they start to know a voice reveal their previous offenses. Certainly one among the invited guests is killed before their eyes as the 10 of them go through events within their head. That appears to become the catalyst to the murder of another guest and another. Police head up to the island after the report of murders, several days following the invited guests came to Heitaijima. They find 10 murdered bodies onto this enormous"locker room". Who is the murderer and did those 10 people have to be assembled and killed? ~ Based on the publication"And Then There Were None" by Agatha Christie, printed in 1943.