Uma jovem perfeitamente comum vira uma assistente numa revista de moda.

Betty has her job cut out for her getting prepared for Mode's huge event during New York City's Fashion Week. Meanwhile, Marc and Amanda can't delay getting their hands on something everybody desires, Christina wishes to create her mark in the design world and Daniel calls for Hilda to grant her sister a hand.

Betty and Henry's romance heats up. Meanwhile, Wilhelmina makes great strides in her ambitious power play, as Daniel descends further in a downward spiral. The Suarez family trip to Mexico takes a dangerous turn, with old ghosts creating new problems. Explosive secrets will be revealed, and everything will be tied together by a beloved Broadway musical.