Perry represents a citizen's group in hearings on a proposed aqueduct to be named after county engineer William Harper Caine. Perry gets a stop work order until a section of the proposed location can be checked for an underground spring. Eventually, Caine needs Perry's help when he's accused of murdering Roger Quigley, the project's chief contractor.
| Name | Type | Role | |
|---|---|---|---|
| Samuel Newman | Writer | ||
| John McLiam | Guest Star | ||
| Douglas Dick | Guest Star | ||
| Richard Eastham | Guest Star | ||
| Phillip Terry | Guest Star | ||
| James Westerfield | Guest Star | ||
| Tom Harkness | Guest Star | ||
| Byron Palmer | Guest Star | ||
| Hardie Albright | Guest Star | ||
| Diana Millay | Guest Star | ||
| Maxine Stuart | Guest Star | ||
| John Hoyt | Guest Star | ||
| Arthur Marks | Director |