A bewildered 92-year-old nursing home patient must know why someone would murder her beloved granddaughter--a rising cartoonist--and why the police believe the killer is the victim s husband， prominent pediatrician Dr. Michael Callahan. As Sydney sets out to prove the good doctor s innocence， Callahan vanishes. Confronting an assortment of unlikely suspects， all of whom fiercely guard a wealth of secrets， Sydney learns that the strength of family ties cannot be broken--not even by murder.