Juliet's (Zoey Deutch) mother Catherine (guest star Andrea Roth) arrives in town, where she proceeds to wreak havoc on Andrew (Ioan Gruffudd) and Bridget's (Sarah Michelle Gellar) relationship. Bridget discovers someone from Siobhan's past and thinks he might be the key to her learning more information about her sister. Meanwhile, Henry (Kristoffer Polaha) discovers a lead that causes Agent Machado (Nestor Carbonell) to think he is closing in on Bridget.