Edge of Abyss — Robert Fisher

For three months Simon Kane has been pursuing the organization behind the murder of his wife, known as the Networc with little results. However, when the daughter of the leader of the largest criminal organization in Asia is kidnapped and taken to an island ruled by criminals and madmen,  Simon is recruited to rescue her in exchange for help in finding the Networc. However, once Simon arrives on the island he becomes a pawn in a deadly game of chess that will push him to the Edge of the Abyss.....