Murder is so terribly impolite but that's the problem everyone's favorite nanny, Mary Popouts, must face. The children have grown up but Michael's rise to the top of the Dependable Depositary Bank has left a trail of mysterious deaths in its wake. How terribly rude! Is Michael a murderer? Is Bart, the chimney sweep, cleaning up? What exactly does sister Jane do in the evenings? Or is there something extra special in Mary's magical bag? Be there when Scotland Yard crashes Michael's surprise party. Though practically perfect in every way, Mary Popouts will need your help!