Lamb, Jack and Katherine take advantage of the phone tap in Savino's office and try to get evidence on how Savino works the skim, making District Attorney Reynolds very nervous. Meanwhile, Dixon and Yvonne arrive in Los Angeles to visit Violet at a movie studio, and Yvonne finally gets the chance to show off her beautiful singing voice at a big Hollywood party. Also, Mia is shocked when her presumed dead mother, Lena, arrives at the Savoy and sets her sights on Savino.