Ichiro and Shiro's attempt to gather new intel about the Tetra Building incident inadvertently agitates the hornet's nest that is Satoshi Yamada, founder of the Shio crime family. Wary of the rats threatening to upend his retirement, Yamada takes the remaining witnesses hostage to tip the scales in his favor. With unknown dangers lurking, the help of an anxious father may be the key to a daring rescue...