Dynasty (1981)

Galen plots to regain his throne while Elena, learning the counter-revolution is in jeopardy, solicits Michael's help. A mysterious woman visits Denver to conduct extensive research on Colbyco. Carress Morell, a journalist, is Alexis' sister. Alexis, noting Blake's loss of faculties, is ready to pounce. Adam forces Blake to grant him power of attorney. Adam boasts to Claudia, but she is suspicious, and continues her attempt to prove rightful ownership of the oil well. Sammy Jo learns that Joel and Rita plan to poison Blake and flee to South America with Krystle. After much soul searching, Sammy Jo warns Steven, but it may be too late. Steven arrives at the mansion just as Blake, stricken with an apparent heart attack, falls down the stairs.