Sydney's loyalties are tested after a tragedy exposes the dark side of her superiors and the underhanded doings of her own father.

Sydney and Dixon go on a dangerous case involving the safety of the United Commerce Organization. Francie confronts Charlie about his secret date with another woman, and Will continues to get closer to the truth about Danny's murder.

While on a case to track the activities of Khasinau, a.k.a. "The Man," Sydney runs into her ex-lover, Noah Hicks, who broke her heart and left without saying goodbye five years earlier. Meanwhile, Sydney tells Sloane that she wants to find her mother; Jack is ordered to see CIA psychiatrist Dr. Barnett to help him deal with his churning emotions after discovering that his wife may still be alive; and Will and Francie become suspicious of Sydney's activities after finding one of her airline ticket stubs.

Sloane begins to question where Noah's true allegiances lie, as passion ignites between Sydney and Noah. Meanwhile, Sydney continues to uncover new information about her mother, which disturbes Jack. A rogue assassin known as the Snowman is dispatched by K-Directorate to kill Khasinau, a.k.a. "The Man." Will and Francie confront Sydney about the mysterious airline ticket stub found in her jacket.

Sydney and Jack are confronted by the new director of SD-6 who replaces Sloane, whose whereabouts and intentions are unknown. Meanwhile, romantic sparks begin to fly between Francie and Will.

The team captures the Sloane Imposter and questions him to find a rare Rambaldi orchid. The real Sloane must relive a painful memory in order to get the Imposter to reveal the orchid location.