Watch Below. Mama (2013)
Wow, this is great storyline: Annabel and Lucas are faced with the challenge of raising his young nieces that were left alone in the forest for 5 years…. but how alone were they?
Five years ago, sisters Victoria and Lilly vanished from their suburban neighborhood without a trace. Since then, their Uncle Lucas and his girlfriend, Annabel, have been madly searching for them. But when, incredibly, the kids are found alive in a decrepit cabin, the couple wonders if the girls are the only guests they have welcomed into their home.
As Annabel tries to introduce the children to a normal life, she grows convinced of an evil presence in their house.