The Bleak Old Shop of Stuff (2012)

S12E4 Inner Demons

After years apart, childhood sweethearts find their way back to each other, but their dream of a perfect life is jeopardized by unsettling poltergeist disturbances in their new house. When they discover mysterious messages scrawled on the bathroom mirror, the terrified couple seeks help from a well-known demonologist to confront the supernatural forces at play.