黑麦奇案原名：Marple: A Pocket Full of Rye，
When Rex Fortescue dies while sitting at his desk in the City, it's determined that he was in fact poisoned. He was married to a much younger wife, who now stands to inherit. His son Percival, a partner in the family firm, was a disappointment to him and a daughter, Elaine, hasn't amounted to much. Another son, Lance, had a falling out with his father many years before and relo...