Credit: Thibault Grabherr

The new three-part supernatural miniseries Beyond the Walls stars actress Veerle Baetens as a woman named Lisa who inherits a house left to her in the will of its deceased former owner. Baeten’s character moves into the building and discovers a bizarre parallel dimension existing behind its walls. Attempting to find her way back to the real world, Lisa meets Julian, a soldier seemingly from a different era, and together they attempt to survive the creatures lurking in the shadows.

Beyond the Walls is directed by Hervé Hadmar and costars Geraldine Chaplin (Doctor Zhivago, Nashville).

The show premieres on horror streaming service Shudder on Oct. 20.

You can see the exclusive trailer for Beyond the Walls, above.