Mary Jago had donated her own bone marrow to save the life of someone she didn"t know. And this generous act led directly to the bitter break-up of her affair with Alistair. But the man whose life she had saved would change Mary"s life in a way she could never have imagined. The Keys to the Street creates an atmospherically charged universe, where a young woman"s life is in danger from both the middle-class world she knows and another world of the dispossessed and deranged.