Who tried to kill TV producer Zannah Edgecumbe by pushing her over a cliff? The answer is hidden somewhere in her slowly returning memory. Is it cameraman Jonathan Tyler, her aggressive and passionate fiance, or is it Matthew Tregenna, the handsome but remote doctor treating her - the man with whom she is falling in love? She remembers Hugh, the boy she adored as a child - but where is he now? Lost in an abyss of blurred and broken memories, Zannah must return to the cliff-top to discover the horrifying truth.