Left with three other girls in a grave shrouded by black-eyed Susans, Tessa alone survived, her testimony helping to put a killer behind bars. Now, sixteen years later, he is about to be executed. But Tessa feels no relief. Because someone is planting black-eyed Susans outside her window. Someone is sending her daughter sinister messages. And there's a lawyer telling her the man about to be put to death is innocent. Which can mean only one thing : the wrong man has been sentenced, the real killer is still out there and Tessa might not be the last Black-Eyed Susan...