Ellen Grey hires Mannix to investigate what her recently suicided husband was involved with that drove him to his death. Mannix discovers that the people involved want Ellen dead as well. |
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Title: | Duet for Three | |
Air Date: | December 19, 1970 | |
Runtime: | 60 min | |
Genres: | Action Drama Crime | |
Piglet : Here is what I found....The cattle ranch in Texas featured in the Yellowstone episode, kno...