Episode 4.12 of Alias

Written by: Jeffrey Bell, Monica Breen
Directed by: Ken Olin
Original Air Date: March 25, 2005

-Guest Stars-
Sonia Braga (Sophia Vargas), Kevin Alejandro (Cesar Marquez), Jose Zuniga (Roberto Fox), Gisselle Castellanos (Young Nadia), Adrian R'Mante (Diego), Michelle Martel (Sleeping Girl), Alejandro Furth (Owner), Ivan Saric (Architect), Alexander Kuznetsov (Assault Team Leader)

-Summary-
Nadia puts her own life - as well Sydney's and Weiss's - in danger after failing to reveal her past concerning Cesar Martinez: a volatile man heavy into criminal activity. Meanwhile, Vaughn finds someone who is connected to both his father... and Nadia.

-Quotes-
Marshall: Signature… plus... password… plus a little Flinkman secret sauce…Nice. Bow before me, encryption gods.