Haunted by the death of her young daughter, a distraught woman develops an all-consuming obsession with a girl she believes is her reincarnated child.

Lisa Spinelli is a Staten Island teacher who is unusually devoted to her students. When she discovers one of her five-year-olds is a prodigy, she becomes fascinated with the boy, ultimately risking her family and freedom to nurture his talent.

Driving through the nocturnal streets of London on the eve of her 30th birthday, a night bus driver discovers a supernatural entity who has boarded her vehicle, and threatens to stay.