As the girls vow to get in shape for an upcoming beach party, they recall past attempts at self-improvement.

When a couple from Sicily, who were old friends of Sophia arrives for in Miami for a visit, they drop a bombshell on Sophia and Dorothy: the day when Dorothy and their daughter Gina were born, the babies might have been switched at birth.

Upon arriving home one afternoon, Blanche, Dorothy, and Rose are shocked to find Sophia showing the house to a wealthy Japanese businessman. When he makes an offer to buy the place, it causes the girls to reminisce about all the good and bad times they had in it.