Ghostline (2015)

Plot

Tyler and Chelsea's lives spiral into chaos when they start receiving threatening phone calls from a disturbed woman who claims Tyler is her former lover. As the relentless harassment escalates, their attempts to uncover the truth lead them into a web of psychological terror. With each call, the couple finds themselves questioning their safety and sanity, forcing them to confront the dark secrets of Tyler's past. The suspense builds as they race against time to break free from the clutches of a deranged obsession that threatens to consume them both.