Dynasty - Season 4 Episode 2 : The Bungalow 1989

Mark is charged with attempted murder and arson; Alexis tells Blake and the police his motive was revenge. The other suspects-McVane, Hess and Adam, are questioned and released. After Alexis destroys Fallon's relationship with Mark, Krystle suggests she is seeking revenge because Mark rejected her. Kirby breaks down and tells Krystle her baby is not Jeff's; an unknown man in surgical garb tries to smother Alexis. Blake and Jeff receive a frantic call from Joseph, who is muttering incoherently. At the bungalow where Kirby was born, Blake and Jeff find the disturbed butler with a gun. Before they can stop him. Joseph pulls the trigger and kills himself.