Behind (2016)

Arianne is a divorced mother obsessed with the idea that her ex-husband might take her baby away from her. At a birthday party, a mysterious old woman called Leonor tells Arianne that there is a strange figure following her: a terrifying looking man. Back at home with her little baby, Arianne will have to fight something a lot darker than her deepest fears. Something that will make her worst nightmares come alive.