In Morgan City, La., police call paranormal investigators to the site of a shape-shifting mist near the town's lake; the mayor reports that the paranormal activity has spread throughout St. Mary Parish.

The team arrives at a home where an eerie ghost girl has been befriending children for generations; when they discover a darker entity lurking in the home, the investigators must figure out how the two spirits are related.

The team investigates a limbless phantom at a historic plantation in Patterson, La.; they soon face more spirits than they bargained for after discovering a connection to voodoo and the deadly yellow fever epidemic.

A call from the Morgan City police sends the team to Louisiana's Atchafalaya Basin, where a trapper reports seeing two men vanish into thin air; a "Naked and Afraid" contestant reveals evidence of a dangerous pirate's spirit.

The bizarre report of a solider's ghost at an antebellum home brings the team to Franklin, La; as they attempt to contact the spirit, they discover the plantation was seized by Union forces before the Battle of Irish Bend.

The team takes on poltergeist activity connected to a gruesome murder in Berwick, La.; the case hits close to home after they link a baby doll from the crime scene to paranormal activity at their own headquarters.