Isaac claims to see people in the house that others cannot. He speaks to an imaginary friend named Meredith and fixates on a specific toy he buys every week but never plays with.
Detective Ravi Dhillon’s investigation into a string of murders leads him to hunt for a "Lucy Chambers" after seeing her name on a bulletin board in a suspect's home. The Devil’s Hour s01e02
Isaac is bullied by older boys who trick him into slapping his own face; he complies without any emotional response, leaving Lucy heartbroken and desperate to "fix" what is broken inside him. Isaac claims to see people in the house that others cannot