Tucked away in the small town of Lafitte, La., Fleming Cemetery is notorious for its local folklore and legendary ghost stories. Evan "E. R." Cortez, a game warden in Lafitte has been summoned to the Cemetery in the middle of the night by his partner Liam. When he arrives, Liam's not there and E. R. instead finds himself thrust into a web of deceit and misperceptions. He quickly realizes that there may be some truth to the local ghost tales he's been told all his life.

As Hurricane Ida barrels toward the Louisiana coast, E. R., with the help of Griff his grandfather and Charley Ann, a girl Liam was attempting to help when he disappeared, begins to search for Liam. Together they begin to unveil a sinister plot of misguided revenge while racing against time and dangerous conditions. Woefully, E. R. discovers secrets of a tormented past and mistaken identities.

E. R.'s feelings of anxiety of finding his best friend alive collide with his growing attraction and admiration for Charley Ann, the girl he just met and who may be involved with his best friend. Together, they trace Liam's final steps and come in contact with other questionable characters and unwelcoming elements of the local swamps and bayous.