Lights Out (2016)

A young woman is living a normal life when she finds out that her little brother has been in contact with a terrifying spirit that haunts him in the dark. Now she fears for her family?s safety as she believes the entity her brother is seeing is one that haunted her as a child. With only a story her mother tells her as a connecting thread to the nightly attacks, she pulls the family together to stay in the light and get rid of what lurks in the dark.