Catherine's plan to drive Andrew and Bridget, posing as Siobhan, apart unravels. Agent Machado discovers who wanted to kill Siobhan all along and rushes to intercept the killer before it is too late. Meanwhile, Siobhan's plan to help Henry backfires when the main witness suddenly dies.

Cast: Sarah Michelle Gellar, Kristoffer Polaha, Ioan Gruffudd, Nestor Carbonell, Mike Colter, Elizabeth Higgins Clark, Zoey Deutch, Dasha Flynn, James Madio, Andrea Roth