Leslie has to get involved when Ron's first wife re-enters his life and starts controlling him; Ben helps Tom with his new company; Ann makes a public service announcement with Chris.

Leslie must choose between Ben and her dream of running for office; Ann dispenses medical advice; Ron gets ready for the return of Tammy One.

The gang heads to the Caribbean, where Frasier begins to question his new romance with Claire (Patricia Clarkson).

Frasier escorts Lana (Jean Smart) to a surprise birthday party while trying to woo her friend (Patricia Clarkson).

Frasier arrives at a surprise birthday party with Lana (Jean Smart), then tries to woo her friend (Patricia Clarkson).

After returning from a tropical vacation, Frasier is visited by the former loves of his life and must make an important decision; Roz is hounded by Lana's (Jean Smart) frisky teenage son (Brian Klugman).

Claire goes to her Aunt Sarah's, where an intriguing meeting occurs; a rabbi counsels Nate; Keith and David draw closer.

Ruth's estranged sister visits; house repairs put further strain on Federico and Vanessa's marriage; Nate and Brenda have news.

David and Rico are at odds over a business issue; Ruth meets a new friend; David and Keith get a taste of a different kind of family life.

The girls head to St. Marks Place to celebrate Ilana's birthday in style, but their plans are derailed by a series of small crises.

Ruth goes on a fossil hunt with George; Claire focuses her talents on Edie; Vanessa does some detective work.

Keith makes an embarrassing self-discovery; Nate challenges Brenda; Rico and Vanessa decide to protect their future.

Nate muses on the loss of his first love; Claire finds a temporary financial solution while waiting for a grant; Brenda takes a break for some fun.