The Solitary Sin
- Cast: Jack Mulhall, Helene Chadwick, Gordon Griffith, Leo Pierson, Pauline Curley
- Duration: 75 minutes
- Genre: Drama
- Rating: N/A/10
- Release Date: 1919-07-01
Bob, John, and Edward--three young boys growing up in the same neighborhood--have vastly-different experiences with sex. Bob's father patiently explains "the birds and the bees" to him, and even takes him to a hospital to see the effects of venereal disease.
