When a handful of grain is found in the pocket of a murdered businessman, Miss Marple seeks a murderer with a penchant for nursery rhymes.When a handful of grain is found in the pocket of a murdered businessman, Miss Marple seeks a murderer with a penchant for nursery rhymes.When a handful of grain is found in the pocket of a murdered businessman, Miss Marple seeks a murderer with a penchant for nursery rhymes.