In a prison cell in the US, a man stands trembling, naked, fearfully waiting to be shipped to Guantánamo Bay. How did it come to this? he wonders.

August 9th, 1945, Nagasaki. Hiroko Tanaka takes in the view of the terraced slopes leading up to the sky. Wrapped in a kimono with three black cranes swooping across the back, she is twenty-one and in love with the man she is to marry.

In a split second, the world turns white. In the next, it explodes with the sound of fire and the horror of realisation. In the numbing aftermath of a bomb that obliterates everything she has known, all that remains are the bird-shaped burns on her back, an indelible reminder of the world she has lost. In search of new beginnings, she travels to Delhi two years later....