Daphne goes to visit her horse, Par-a-kee, at the stable the night before a race. She interrupts a man trying to inject the horse with a fatal virus. Daphne's father hires Dave to investigate, while a bookie begins spreading rumors about the Dutton stable to have Par-a-kee disqualified.
| Name | Type | Role | |
|---|---|---|---|
| William L. Stuart | Writer | ||
| Ben Welden | Guest Star | ||
| Raymond Bailey | Guest Star | ||
| Holly Bane | Guest Star | ||
| Lyle Talbot | Guest Star | ||
| Michael Harris | Guest Star | ||
| Edward McKinley | Guest Star | ||
| Grant Williams | Guest Star | ||
| William J. Hole Jr. | Director | ||
| Mack David | Director |