The obscure village of Coxwold had suddenly become the centre of attention of every daily newspaper. People from all over had descended upon it, investigating, questioning and sending reports to London. Something had happened in a nearby wheat field which had reduced two normal, healthy men to insanity and death. The police, suspecting foul play, lacked any evidence. So what could it be that had driven the victims to madness? This was unlike any crime ever before recorded...