Shinnosuke must figure out why he is being dogged by a reporter and discover who is responsible for demolishing several buildings when he cannot find the source of the Heavy Acceleration.
When the Roidmudes seem to discover a new form of evolution for themselves, Mr. Belt thinks it is time for Kamen Rider Drive to use the new Shift Technic Shift Car.
Shinnosuke and Kiriko investigate a series of power outages that they believe to be caused by the Roidmudes, but it only brings up questions of Mr. Belt's past when Heart himself becomes involved.
When it is discovered that Volt is trying to cause a blackout on Christmas Eve to further the Roidmudes' plans, Shinnosuke and Kiriko race to stop them.
While investigating a land shark who seems to have been involved in Roidmude activities, Shinnosuke cannot detect any Heavy Acceleration particles but instead comes across a young man who says he has something interesting to show him.