In a world uncomfortably like our own, a young woman called Amalantis is arrested for asking a question. Her question is this: Who is the Prisoner? When Amalantis disappears, her lover Karnak goes looking for her. He searches desperately at first, then with a growing realization. To find Amalantis, he must first understand the meaning of her question. Karnak's search leads him into a terrifying world of lies, oppression and fear at the heart of which lies the Prison. Then Karnak discovers that he is not the only one looking for the truth.