When the members of a wealthy banking family start dropping like flies, Miss Marple is reminded of the old nursery rhyme Sing a Song of Sixpence and vows to find the villainous "blackbird" behind the crimes.

Following another murder, Miss Marple is certain that she knows who the next victim will be. Can she get to them in time?

After Miss Marple's friend witnesses a murder in a railway carriage running parallel to her own, Miss Marple engages a resourceful young woman to investigate. The search leads to a decrepit estate, where they suspect the body was dumped. But the seemingly innocent family who lives there have secrets of their own.

Hollywood comes to St. Mary Mead when faded movie star Marina Gregg takes residence for a local film shoot. But when she narrowly escapes an attempt on her life and a local woman dies instead, Miss Marple sorts the gossip rag chatter from the facts to uncover a tragedy.