Betty's cousin once removed, Donald Forest, asks her to investigate the death of his father, but before they can meet he is killed. William Tarkington IV and V, private detectives, think Betty is the prime suspect, who wants the inheritance of her great aunt Emily. When Betty is also threatened they change their mind.
| Name | Type | Role | |
|---|---|---|---|
| Norman Jolley | Writer | ||
| Lory Walsh | Guest Star | ||
| Madeleine Fisher | Guest Star | ||
| Julie Rogers | Guest Star | ||
| Frank Ashmore | Guest Star | ||
| John Steadman | Guest Star | ||
| Kenneth Mars | Guest Star | ||
| Lurene Tuttle | Guest Star | ||
| Thomas Havens | Guest Star | ||
| Mark Goddard | Guest Star | ||
| Michael Preece | Director |