After TJ tells Becky all about his new friend Victor, she has a sneaking suspicion that he’s related to the boastful Victoria Best. Turns out she’s right – and now both Bests are spending the day at the Botsfords. As Becky tries to get along with Victoria, Victor makes a devious plan to not only best his sister, but to take away WordGirl’s superpowers! When someone starts stealing every piece of art in the city, Becky sees just another crime - but Violet sees a downright awful tragedy. Although Becky has a hard time putting the importance of art into words, she's determined to catch this thief and put the art back where it belongs.