To protect a volatile pop star from an obsessed fan, Echo goes undercover as her new backup singer.
Meanwhile, Agent Ballard is led down a dangerously wrong path in his investigation, and Lubov harbors a secret.
original airdate: February 27,2009 rating: 4.13 million
songs--Theme song--"What You Don't Know" by Jonatha Brooke and Eric Bazilian
Trivia--The stalker smuggles a rifle into the concert hidden in a crutch. This is the same manner as titular character in The Day of the Jackal.