A businessman hires Echo to be a negotiator when his daughter is abducted; FBI Agent Paul Ballard's search for the Dollhouse puts his career at risk.

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

Echo goes under cover as a backup singer to protect a pop star from an obsessed fan; Agent Ballard is led down the wrong path in his investigation; Lubov has a secret.

Echo becomes a safecracker so she can perform a dangerous art heist; Ballard challenges Lubov; Adelle makes a shocking confession.

Imprinted as a visually impaired woman, Echo must infiltrate a cult to rescue a woman being held against her will.

Agent Ballard comes face to face -- and fist to fist -- with Echo for the first time, making a surprising turn in his investigation.