Beyond the Wall (1916)

Successful author Dane Ashley learns he has inherited an estate in a small village. Traveling to see his property Dane sees a crowd of children tormenting a young girl. He rescues the girl, but she vanishes through the door in the separating wall between his house and the next. Intrigued he investigates and learns that she is a Miss Virginia Carlton and rumored to be crazy. Disbelieving the rumors as to Virginia's insanity, Dane contrives a meeting and in time they fall in love. Virginia confides that it is her twin sister Helen who has had a mental breakdown after a traumatic incident and the loss of her beloved. In time all is made aright.