Paris Hilton begins her journey to the altar with fiancé Carter Reum, but her family and friends wonder why she seems unable to commit to the simplest of wedding details.
Paris gets caught between her fiancé Carter and her mother Kathy when they engage in a tug-of-war over wedding plans; Barron Hilton II comes to his sister's rescue when she needs help with issues from her past.
Paris tries to balance the search for a wedding venue with her desire to record new music; her mother Kathy wants to stick with the Hiltons' family traditions, which leads to unexpected and emotional revelations.
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 takes a trip to Carter's hometown in Michigan to DJ a family member's wedding, but the striking difference between the Hilton and Reum families leads Paris to question Carter's plans for their future.
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.
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.
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.
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.