In the soggy Louisiana town of Mercy’s End, plumber Eli Prendergast finds more than a clog when a spectral chapel's outline bleeds through his church basement wall. Teaming with a practical priest, Eli discovers their community was literally built atop the bones of a zealous preacher’s drowned flock. As the submerged congregation’s hymns rise through the pipes, Eli must dive into the haunted sinkhole not to fight a ghost, but to listen—leading to a profound, unsettling exhumation that forces the town to finally reconcile with the foundation upon which it stands.
