Juliet's mother Catherine (guest star Andrea Roth) arrives in town, where she proceeds to wreak havoc on Andrew and Bridget's 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 discovers a lead that causes Agent Machado to think he is closing in on Bridget.

Cast: Sarah Michelle Gellar, Kristoffer Polaha, Ioan Gruffudd, Nestor Carbonell, Mike Colter, Brian Hallisay, Andrea Roth, Sean Patrick Thomas