Beware the Jabberwock

Beware the Jabberwock is the third episode of the first season of Secret City.

Synopsis
A shocking murder leaves Harriet shattered but angry. Australian intelligence agencies are determined to shut down the story, however, Harriet has been deliberately left a clue that only she will understand and as she pursues the trail of secrets, finds the pieces of several different puzzles forming a larger picture. People she should be able to trust are revealed as determined enemies but she discovers an unlikely ally.