Complete story — includes the ending
Sydney and Vaughn fly to North Korea to meet Covenant defector Leonid Lisenker. Lauren alerts Covenant operative Mr. Zisman, who has the pilots poisoned, dying en-route. Sydney and Vaughn evade North Korean missiles, crash-land, and elude soldiers. Discussing the difficulty of working together, Sydney reveals sleeping with Will, but she's moved on. Before they meet Lisenker, Sark intercepts, masquerading as a CIA Agent. Soldiers capture them; Sark escapes. Lisenker informs to Colonel Yu, avoiding the beating Sydney and Vaughn take. Jack asks Sydney's mother Irina Derevko for assistance; her sister Katya helps on condition he kills Sloane. Jack arrives after Katya warns Sloane, "back off" from Irina, hinting Jack would kill him. She tells Jack to abort. Before their execution, Vaughn admits his feelings for Sydney. Katya's contact, Mr. Kwan, kills the firing squad; they escape with Lisenker.
Sources and content license
Source and revision history · Adapted from Wikipedia contributors, Alias season 3. HTML formatting and reference markers removed. · Content license