Anthony is an avid traveler. All his friends know that it is impossible to find him at home, he is constantly on the road. His passion is to study countries and cities not from the side that everyone knows, but from what is not shown to tourists. In the game Bosporus Mystery, the hero will go to the Turkish city of Istanbul. This is a huge multi-million metropolis, divided into two parts by the Bosphorus Bay. It was the Bosphorus that interested the traveler. In Istanbul, he was met by a friend who lives here and together they will try to uncover some of the secrets of the Bosporus, and you will help them in finding and collecting various items in the Bosporus Mystery.