Detective Sam Cragg goes to meet a client in the "Little Serbia" section of the city and finds the man murdered. Everyone in the neighborhood lives in fear of the unseen C. W. Roberts. a mysterious loan shark who keeps the poor permanently in debt. Cragg send a book to Roberts and watches to see who picks it up.
| Name | Type | Role | |
|---|---|---|---|
| Charles Robinson | Writer | ||
| Frank Gruber | Writer | ||
| Anna Minot | Guest Star | ||
| Paul Stewart | Guest Star | ||
| Harold J. Stone | Guest Star | ||
| Betty Garde | Guest Star | ||
| Robert H. Harris | Guest Star | ||
| Cara Williams | Guest Star | ||
| Robert Stevens | Director |