As a teenager, Violet O'Halloran spent a summer at a Catholic boarding school in Northern Ireland, emptied of all other students but one: Indira Sharma, a blind girl from India with an extraordinary story. The beautiful but ultimately catastrophic friendship that formed between the two girls would go on to haunt Violet for years. A decade later, Violet meets an Irishman, Emmett Fitzroy, at a party in New York City and is swept into an intense romance...