The girls of Peace, Love and Cupcakes volunteer to make a giant cupcake wedding tower for Jenna's mom's wedding in Las Vegas. In the midst of all the excitement, Jenna has mixed emotions about her new family. She's worried that her new stepdad will want to move the family closer to his work and she doesn't want to leave her school or her friends. Meanwhile, their teacher Juliette announces that she's getting married too and wants PLC to do cupcakes for the reception. Will the girls be able to pull off two weddings in one weekend?