Forced to retreat, Zaheer uses a smoke screen to cover their escape, leaving Team Avatar safe but shaken. Finding the Mole
The focus then shifts from action to a mystery. Since Zaofu is one of the most secure places in the world, the group realizes they were betrayed by an insider. , Suyin’s trusted advisor and a master "truth-seer," oversees the interrogation of the city's guards. [S3E8] The Terror Within
uses her combustion-bending to pin down anyone attempting to cross the lava. Forced to retreat, Zaheer uses a smoke screen
innovate on the fly, using metal cables to drop from the top of the city's dome and snatch Korra away from the villains just as they are about to escape. , Suyin’s trusted advisor and a master "truth-seer,"
Suspicion initially falls on a young guard, but —using his detective skills—notices that Aiwei's conclusions don't quite add up. When Team Avatar searches Aiwei’s home, they find a secret passage and realize the truth: Aiwei himself is the mole . The Aftermath
The episode begins with a farewell party for , who is leaving for the Northern Air Temple to begin her airbending training. The celebration is short-lived; late that night, while the city sleeps, the anarchist group known as the Red Lotus —Zaheer, Ghazan, Ming-Hua, and P'Li—infiltrates the supposedly impenetrable city.
What follows is one of the most highly-regarded action sequences in the series. Trapped in a courtyard and surrounded by Zaofu’s elite metalbending guards, the Red Lotus showcases their deadly teamwork: creates a moat of lava to keep rescuers at bay.