Episode 49 of "Alias"
s03e05 Repercussions

While Vaughn's life hangs in the balance, Lauren butts heads with Sydney after learning the part she played in his stabbing. Meanwhile, Sydney further questions Sloane's allegiances after he is kidnapped by Kazari Bomani, a kingpin in The Covenant... Jack's cover is jeopardized when he meets with Simon to dig up information on Sydney's missing two years... and Marshall is sent on his second mission with Sydney, posing as a high-stakes, southern gambler.