A magician and his brother, who has had surgery to look just like Jonathan, plan to replace him and gain control of the Hart empire.

The Harts new musical investment, singer Lorene Tyler, is beginning an international tour. The singer's husband Jesse, a jewel thief, has a costume made for her that sparkles with diamonds disguised as rhinestones. After the outfit is loaned to Jennifer, Lorene's husband is desperate to retrieve it.