The Hollow (2016)

After a young woman, the daughter of a U.S. congressman, tragically perishes in a perplexing triple homicide in a quaint Mississippi town, a squad of F.B.I. investigators swoops in to unravel the mystery. The team's sharp-witted yet battle-weary lead agent grapples with personal demons while his resilient and striking partner strives to keep him focused on solving the enigma. Amidst an inept and deceitful sheriff's office, a mysterious and ominous figure lurking in the shadows, and a town local tied to key members of the community, the agents uncover a web of intrigue that leads to a grand mansion on the outskirts of town.