Shiro Shinobi [Narrating a newsreel.] Korra and Mako have discovered the truth about Amon's identity. He's a waterbender, a bloodbender and brother to Tarrlok! Now, Korra and Mako plan to infiltrate the Equalists' victory rally and expose Amon as a fraud. Meanwhile, Asami, Bolin, and General Iroh head toward Hiroshi's secret airfield, where Asami intends to take down her father?