Between the sea and the plains of Bengal lies an immense archipelago of islands. Here, for hundreds of years, only the truly dispossessed braved the man-eating tigers and the crocodiles that rule there, to eke out a precarious existence from the mud. The settlers of the Sundarbans believe that anyone without a pure heart who ventures into the watery labyrinth will never return. It is the arrival of Piya Roy, of Indian parentage but stubbornly American, and Kanai Dutt, a sophisticated Delhi businessman, that disturbs the delicate balance of settlement life. From this moment, the tide begins to turn.