When an eight-year-old girl is kidnapped on her way home from school and DNA tests on the blood found in the abductor's abandoned van reveal she has leukemia, M.E. Warner visits the girl's family to inform them of her findings. No sooner does Warner deliver the diagnosis than she's drawn into the kidnapper's deadly game when it's clear he has the family's apartment - and its occupants - in his sights and no cops are to be involved.