While fighting Banno, Chase sacrificed himself to save Gou's life. In order to avenge him, Gou uses Chase's Signal Bike, the Signal Chase, that he had given Gou moments before his death. The final fight between Mach and Gold Drive begins.
Meanwhile, Shinnosuke, Heart, and Medic make their way through the Special Defense building but are stopped by Super Heavy Slowdown. Shinnosuke and Heart are forced to leave behind Medic, who cannot endure it. The pair reach Sigma Circular as it begins running the program that Banno gave it.
Episode 47 - My Friend, to Whom Do You Entrust the Future? (9/20)
Shinnosuke and Heart manage to destroy Sigma Circular, stopping the second Global Freeze from happening and crushing Banno's ambitions. Afterwards, Shinnosuke loses consciousness and meets a mysterious Kamen Rider in his dream. After waking up, Shinnosuke is challenged to a duel by Heart in order to finally end their rivalry. However, Shinnosuke, no longer feeling an hostility towards the Roidmudes, tries to call off the duel by persuading Heart to co-exist with humans.
[Source: Carception Henshin Tumblr]