Sisters on 7th reveals the inner workings of one of the world's premier special occasion and mother of the bride design houses, Rina di Montella. Part fashion show, part fashion story, part family therapy, the series uncovers the hurdles Rina and her sister Dora face to make each dress a unique experience for their customers. Watch as Rina and Dora work through the process of designing, selecting, fitting, altering and delivering each flawless dress in time for the season. It's not a stress-free endeavor, but somehow the sisters on New York's Seventh Avenue pull all of the details together.