In her secluded mansion, crippled Isobel Cain receives loving care from her husband Morgan and her twin sister Vicky. But the two have more than Isobel's welfare at heart: they're planning to poison dear Isobel and live happily ever after on her money.
| Name | Type | Role | |
|---|---|---|---|
| Leslie Stevens | Writer | ||
| Julie Harris | Guest Star | ||
| Robert Stevens | Director |