Alias

S04E15 Pandora

To reach out to Sydney, Katya Derevko intentionally poisons herself, allowing her to be temporarily removed from her cell. After Nadia informs her sister about the incident, Sydney confronts her aunt, urging her to keep her distance from Nadia. However, Katya unnerves Sydney by revealing that someone has framed her mother in a plot to have her killed. This revelation sends Sydney on a quest for the truth. Meanwhile, Vaughn goes rogue, seeking out leads regarding his father's location. Ultimately, he and Sydney discover that the mastermind behind both schemes is none other than A. Sloane, though the reality is more complex than it appears.