Taro and Tsubasa travel to Jiro's hometown Kakamura to investigate the Juto, Tsubasa going on a hunch from reading one of Naoki Shiina's manuscripts. But they are unwelcomed as they arrive to the house of Jiro's adopted father Terasaki, a police officer who makes penguin origami. Meanwhile, Sonoshi enacts their revenge on Sonoi's group while bringing in reinforcements, Sonogo and Sonoroku.