Olivia's sister, Rachel (Ari Graynor), visits; Walter, Peter and Olivia try to solve the murder of an esteemed epidemiologist, which may be linked to Olivia's abduction.
Dec 02, 2008
Jan 27, 2009
Ari Graynor, Chance Kelly, Jared Harris, Lily Pilblad, Michael Gaston, Peter Jay Fernandez, Sara Wilson, Stephen Schnetzer