Alias - Season 3 Episode 19 -

After finding out that Lauren really is working for the Covenant, Vaughn is told by Jack and Sydney to keep up the facade of a happy marriage in order to keep tabs on his wife's activities. But he's in for a shock when he uncovers the truth about Lauren's mother, Olivia, whom is in league with her daughter over the Covenant's activities. Meanwhile, Jack refuses to help exonerate Sloane of his crimes and put in motion a stay of execution, and a monk discloses the identity of the Rambaldi "Passenger" to Sydney.