Nikki and Artem try to plan a wedding in four weeks; Brie scrambles to plan a bridal shower.

With the wedding destination locked and nuptials looming, the couple faces a long to-do list with only 3 weeks left; Brie and Gleb set out to host a wild joint bachelor/bachelorette party in L.A. as Nikki plans a sexy surprise for Artem.

After a rollercoaster week, Nikki, Artem and Matteo are finally reunited in Paris. But with lingering tension, Nikki and Artem must lay all their cards on the table before they walk down the aisle. As family and friends arrive and the wedding day nears, the romance and spontaneity of Paris helps reignite a spark between the couple. Though the old saying will ring true - something always goes wrong on the wedding day - Mr. and Mrs. Chigvintsev may get their fairytale ending after all.