When Paris returns to Washington, D.C., to introduce her anti-child abuse bill, Nicky provides a clue to Kathy's emotional distance; Paris revives her singing career.
Paris lights up Las Vegas at the grand opening of a casino named after her great-grandfather; Carter shares his desire about having children soon after the marriage which makes Paris question how her life will change.
Paris and Carter celebrate a joint bachelor and bachelorette party in Las Vegas with family and friends, where the indulgent atmosphere sends the bride-to-be into an emotional spiral.
Paris and Carter are surprised when Kathy rents a house down the beach from theirs; Kathy makes an unexpected admission to Paris, leading Paris to finally take control of the wedding.
Kathy joins Paris as she heads to Washington, D.C., on behalf of a reform school bill Paris created to prevent teens from experiencing what she went through.
Paris heads to New York for the couple's engagement party, but the setting turns less celebratory as a struggle between Kathy and Carter becomes public; Paris attempts to hide behind her commitments tied to New York Fashion Week.