I Still See You(2018)

What if your whole world was haunted?

Ten years after an apocalyptic event left the world haunted by ghosts, Veronica 'Ronnie' Calder receives a threatening message from beyond the grave. Joining forces with a mysterious classmate, Kirk, Ronnie descends into a shadow world that blurs the bounds of the living and the dead—and begins a desperate race against time to stop a cunning killer.