Krystle and Alexis, trapped in a burning cabin far off in the woods, find the door has been locked--from the outside. Mark, who has come to see Krystle in this remote setting, dramatically rescues the two women, who are rushed to the hospital. Blake meets with Steven to discuss the upbringing of little Danny; Blake remains convinced that a homosexual cannot provide a proper role model. A pregnant Kirby wrestles with the decision to tell Jeff he is not the father of her baby, while Fallon learns Adam is responsible for the mysterious illness that almost cost Jeff's life. Blake, suspecting that Mark's timely arrival at the burning cabin is more than coincidence, provides evidence to the police and Mark is arrested.

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.

Alexis receives a note written by the late Joseph, stating that he indeed set the fire to kill her because of the lives she's ruined with her manipulations. Alexis laughs it off, claiming she never intended to tell Kirby her mother was an ""attic nympho."" Blake lies to protect the girl, telling Kirby her father was worried Alexis would take control of Denver-Carrington and tried to kill her out of loyalty to his employer. When the murder attempt failed, the butler tragically killed himself. Claudia is released from the sanitarium and she and Steven make love. When Steven learns of Blake's plan to sue for custody of little Danny, he becomes enraged. Both men lose their tempers and wrestle each other to the ground.

Alexis arrives home from the trial to find her apartment ransacked. Police Lt. Merrill speculates there may be a connection between the break-in and the recent attempts on her life. Fallon testifies on Steven's behalf. When she leaves for Montana, Alexis tells Adam that if her trip has anything to do with the poisoning incident, he's on his own. On the witness stand, Sammy Jo fabricates tales of Steven's sexual promiscuity. That night, Claudia barges into Sammy Jo's hotel room and demands she retract her courtroom statements. Claudia tells Steven she has devised a fool-proof method for him to retain custody of his son.