Esme was a woman edited out of her family"s history, and when, sixty years later, she is released from care, a young woman, Iris, discovers the great aunt she never knew she had. The mystery that unfolds is the heartbreaking tale of two sisters in colonial India and 1930s Edinburgh - of the loneliness that binds them together and the rivalries that drive them apart, and lead one of them to a shocking betrayal - but above all it is the story of Esme, a fiercely intelligent, unconventional young woman, and of the terrible price she is made to pay for her family"s unhappiness ...