Prodigy (2017)

A secret branch of the military calls upon psychologist James Fonda to take the case of a dangerous patient, nine-year-old Ellie. As their session begins, the young girl dissects Dr. Fonda's unconventional methods, revealing her genius-level intellect. Only by challenging her to a battle of wits does Fonda begin to unravel the supernatural mystery surrounding Ellie--a deadly secret that threatens to destroy them both.