Dorothy's son Michael and Rose's daughter Bridget both arrive at the same time for a visit. The two initially are hostile to each other, but they end up clicking to such an extent they're soon discovered in bed together. Meanwhile, Blanche throws her back out in aerobics class.

Dorothy, Rose and Blanche head for their dream vacation in the Caribbean -- but soon discover their "island paradise" is nothing like what was in the brochure. Meanwhile, Sophia romances the girls' Japanese gardener while they're away.

When Dorothy looks for extra work to do during the summer, Blanche gets her a job at the museum where Blanche works. However, Blanche soon becomes jealous when it seems Dorothy is more proficient at her job than she is. Meanwhile, Rose finds a stray dog while shopping.