On the desolate shores of the lost continent of Atlantis, archaeologist Eva and historian Finn uncover a hidden chamber containing a cursed artifact that unleashes a spectral plague upon the world. As the plague spreads, the dead rise as vengeful spirits, seeking to claim the living. Eva and Finn must race against time to find a way to break the curse, confront the spectral horde, and save the world from being consumed by the shadows.