Using a mysterious device - the Stereoscope - that seems to allow time travel between worlds, a determined young girl searches for the father she thought was dead. But hunting her every step of the way is a monster from one of those worlds - The Reek.

Estranged sisters, Lizzie and Jo, are reunited with their eccentric mother after having witnessed their father’s mysterious death. A traumatized Lizzie becomes entranced by a haunted mirror whose sinister role in tearing this family apart is just beginning.