A potentially violent patient in an insane asylum is calmed when he hears a nurse playing the piano. But shortly afterwards he breaks free, eludes his pursuers, and acquires a gun. He soon comes to a house where a young wife is home alone, and there is a tense confrontation.
| Actor | Role |
|---|---|
 Lionel BarrymoreThe Doctor | The Doctor |
 Charles Hill MailesThe Lunatic (The Unfortunate Patient) | The Lunatic (The Unfortunate Patient) |
 Claire McDowellThe Doctor's Wife | The Doctor's Wife |
 Lillian GishThe Nurse | The Nurse |
 Robert HarronAsylum Guard | Asylum Guard |
 Christy CabanneAttack Victim | Attack Victim |
 William ElmerAsylum Guard | Asylum Guard |