Mild-mannered Myriam is diagnosed with macular degeneration in her right eye, but that doesn't explain the strange things she's been seeing: children in bright red helmets dancing on the doctor's ceiling, exotic vines growing from her television set, and thousands of colored castles forming patterns on her kitchen walls. Her husband Fred is certain that Myriam's visions are a bunch of nonsense, and her family dismisses her odd observations as the results of old age and an addled mind. So when Myriam begins to notice something "off" about the house next door, she has only her own instincts...