Dynasty - Season 4 Episode 25 : The Engagement 1989

Blake's fortune now rests on the decision of a group of bankers, who will decide whether to extend his loan or call in the debt immediately. Alexis hires Tracy to obtain confidential information on Averell Dawson, Blake's banker. Shortly thereafter, Blake learns his extension has been denied. Jeff and Fallon celebrate their engagement. Sammy Jo arrives unannounced at the mansion, claiming she's come to visit her son. Mark questions Alexis' motives for destroying Blake and is reminded he's been paid to keep his mouth shut. Not satisfied with the monetary arrangement, Mark demands she submit to him sexually. Alexis orders him from Denver. A police officer arrives and announces that Mark Jennings has died after falling from Alexis' penthouse balcony.