Echo is one of the "Actives" in the elite and illegal Dollhouse. Through different personality downloads, she plays the role of a lovestruck girl on a romantic weekend, and then a ruthlessly efficient kidnapping negotiator. FBI Agent Paul Ballard is struggling with his assignment to uncover information on the Dollhouse.

Echo becomes the female counterpart to an outdoorsman; Agent Ballard is encouraged when he receives a clue to Echo's true identity.

Echo becomes a backup singer to watch out for a female singing sensation with a very overzealous fan. Agent Ballard's investigation takes a turn for the worse.

Imprinted as a visually impaired woman, Echo must infiltrate a heavily guarded cult in order to rescue a woman held against her will.

Echo becomes the perfect wife for a lonely internet mogul, and Sierra's attacker is revealed. Meanwhile, Mellie's life is in danger and Agent Ballard's investigation takes a surprising turn when he comes face-to-face and goes fist-to-fist with Echo for the first very time.

When Echo, Sierra and Victor awaken in the Dollhouse with most of their original personalities and memories intact, Echo leads the charge to free the Actives from their apparent captivity and escape the Dollhouse forever. Meanwhile, Ballard discovers the Dollhouse is closer than he thinks.

When a traitor is discovered inside the Dollhouse, Echo and Sierra are programmed as spy hunters to uncover the culprit. Meanwhile, Ballard receives surprising news from Mellie, and Adelle harbors a secret.

Ballard’s investigation leads him to the agoraphobic designer of the Dollhouse (guest star Alan Tudyk), and the story of “Sleeping Beauty” foreshadows Echo’s future, while allowing her to help a young girl deal with her traumatic past. Adelle goes to the attic in search of answers, while Alpha reveals himself and sets his game in motion.

Topher races to reconstruct Echo's original personality and memories when Adelle realizes they are the key to averting a devastating future. Meanwhile, Echo and Bennett's shared past and the identity of The Rossum Corporation's mysterious leader are revealed.