Falcon Crest (1981)

Season 7: Episode 8

After Angela digs into the past to save Richard from Carlton Travis, she must open old wounds. Angela goes to the wife of a Supreme Court justice and one of Washington's most celebrated hostesses to recruit help in rescuing her son. When Lance is arrested for murder, Melissa comes to his aid. A man who Dan suspects is a thief turns out to be his father. While asleep, Lance is injected with a toxin that will kill him within 24 hours.