This is the scene where everyone shows up to get on the boat to Soldier Island. In the scene, There are the characters Justice Wargrave (in bus), Vera Claythorne (middle), and Anthony Marston with his sport car. (right)
How did all 10 people die in 3 nights?
This is a part of the book where everyone has met each other. This scene shows Vera Claythorne and Anthony Marston drinking. This happens before the first character of the book dies. The Gramophone goes off, telling what everyone has done to murder another.
Found a revolver. Test it to find any fingerprints.
Anthony dies in the middle of his drink, falling over and spilling his drink. Vera and some others are shocked. Dr. Armstrong takes a sample of the drink and tests it, later coming with the result that the drink had a poison in it. No one could recall anyone touching his drink, or anyone coming in through a window and spiking his drink.
The fingerprints on the revolver belong to Vera Claythorne.
This bottle reveals that Wargrave was able to kill all 10 people.
In the epilogue, two policemen come to the island to investigate what happened. In the picture, the two policemen are shown with their boat to the edge of the island.
The two policemen find the revolver with Vera's fingerprints on it. They find most of the victims' bodies in their bedrooms. However, they didn't see the gramophone record.
The policemen share what they had for the island and one brings the bottle with Wargrave's note inside intending how he will kill each person on the island.