Ep 19. Snowman

Sydney Bristow is a double agent, working with an undercover CIA division called SD-6 while also secretly helping the real CIA bring down the criminal organization. In season 1 episode 19, titled Snowman, Sydney continues to navigate her double life as she teams up with her father, Jack Bristow, to complete a mission for SD-6.

The episode begins with Sydney and Jack meeting with a contact in Russia, hoping to retrieve a Rambaldi artifact for SD-6. Things quickly go awry when the contact turns out to be a man named Fisher, who is working for the Russian military instead of SD-6. Fisher captures Sydney and Jack and demands that they reveal the location of a mysterious black box that Fisher believes Sydney's mother has.

Sydney and Jack manage to escape their captivity and flee into the Russian wilderness. They are pursued by Fisher and his men, who are also being chased by local rebels. As they try to survive in the snowy terrain, Sydney and Jack begin to bond over their shared experiences and secrets.

Meanwhile, back at SD-6, Sydney's colleagues grow increasingly suspicious of her and her loyalty to the organization. Marcus Dixon, a fellow agent and friend, begins to investigate Sydney's activities and questions whether she is truly on their side.

As Sydney and Jack fight to survive and complete their mission, they also uncover new information about Sydney's mother and the black box. Their journey leads them to confrontations with both Fisher and a mysterious figure known as "The Snowman," who has his own interest in Rambaldi artifacts.

The episode is filled with action, suspense, and emotional moments as Sydney and Jack navigate their dangerous situation and the complicated relationships they have with each other and with SD-6. Snowman is a thrilling installment in the Alias series that showcases the show's dynamic storytelling and strong characters.