The bellas twins are back; Nicole's steamy romance with her "Dancing With The Stars" partner, Artem Chigvintsev, hits a roadblock after family and friends question if they're moving too fast; Brie and Bryan have a major disagreement.

Brie and Nicole's decision to visit their father in Mexicali forces their mother, Kathy, to come to terms with one of the darkest parts of her family's past; Nicole and Brie take Artem on a tour of their hometown.