Joseph's daughter, Kirby comes to stay with the Carringtons after breaking up with her fiance in France. Joseph tries to persuade her to go back to him. Mark gets the job at Fallon's hotel. Blake tries to get help from congressman Neal McVane. Jeff and Adam have problems working together. Adam gets the hold of a toxic chemical mixture.

Jeff starts to become dizzy and affected by the toxic paint Adam used in his office. Joseph tells Kirby to stay away from Jeff. Krystle goes to Acapulco to find out what really happened with so-called divorce from Mark. Blake comes after her to be with her and she tells him the truth. The oil rig Steven works on explodes.