Shinnosuke has lost motivation - since accidentally injuring his partner during a strange time slowing event. After being reassigned to a Special Investigation Unit, he finds evidence that Roidmudes are behind these weird phenomena.
After becoming Kamen Rider Drive, Shinnosuke doubts whether becoming Drive is the right way to fight the Roidmude. Shinnosuke goes to visit his Akira at the hospital, to talk to him about his guilt over what happened.
Shinnosuke and Kiriko are sent to investigate an art gallery where there have been rumors of women's ghosts being eaten by a monster.
Though Shin'nosuke feels Chase with menace, he tries to save missing women.
While Shinnosuke and Kiriko investigate Roidmude attacks on transportation vehicles, Brain and Heart instruct Chase to follow a criminal named Crush.
Kirihara suspend Special Investigations Division activity. At that time, Roimude move again.
Shinnosuke investigates a series of mysterious building collapses. With the help of a reporter, he uncovers surprising connections while facing new threats from the Roidmudes, leading to an intense confrontation.
Suprised to see the reporter in the office, Shinnosuke unpacks his true intentions in following him, alongside discovering his connection with Kusaka - the person working alongside Roidmude 033.
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.
Kiriko wonders about her brother's arrival and true intentions when a group of thieves is discovered using a device that creates Heaviness.
While Chase is haunted by the fact that Kiriko and Mr. Belt's voice appears in his memories, Shinnosuke escorts a popular fashion model who has come to the police station because she fears she is being followed by a supernatural creature.
Mashin Chaser is revealed to be Kamen Rider Proto-Drive, but Mr. Belt cannot figure out how to get him to return to his original self. Meanwhile, Shinnosuke tries to figure out why Lila is being targeted and/or protected by Roidmude #096.
There has been a series of marriage scam incidents, and a Roidmude seems to be involved. Shinnosuke and Kiriko investigate, while Go goes undercover as a guest at a wedding ceremony.
While Shinnosuke and Go deal with the out-of-control Drive Type Dead Heat, Rinna fell into the clutches of the Voice Roidmude. Disappearing together, Shinnosuke must piece together what happened in Rinna's past.
A case that was supposed to be over has resurfaced again after 5 years. Genpachiro has taken this one personally, and vows to solve the case, even quitting the police force if he doesn't solve it.
Tachibana reveals that he became the Judge Roidmude in order to lure out the true Judge, who has risen again. Who is this true "Judge"?
The Unit is shocked to find two Kyu Saijos. Which one of them is real, and which is not?
Simultaneous murders are going on, and Chase keeps popping up in surveillance tapes. While Kiriko and Shinnosuke believe in Chase's innocence, Go does not. But what is really going on?
Chase has changed a lot by Medic. Shin'nosuke wants to save Chase for Kiriko, but he prepares for the worst.
The series of bombing case occur. The bomber sends a letter of warning to police before every case, but nobody can find the bomb.
Kiriko continues to secretly harbor Chase while an impatient Go tries to rush the Mach Driver's repair.
The Special Investigation Unit faces challenges as Mitsuhide Nira threatens to shut them down. Meanwhile, Shinnosuke struggles with his dual identity as Kamen Rider Drive and has to come to an important decision.
Shinnosuke's life is turned upside down when his secret identity is finally revealed to the public. As Roidmude threats escalate, Chase is torn between his loyalty to his race and humanity.
Shinnosuke and the rest of the Special Unit are now more confident thanks to the new Ride Booster support vehicles. Kiriko and Go eventually get into an argument whether to trust Chase or not as a Kamen Rider. Later, Shinnosuke joins a joint investigation from the Central Government Office where Brain (in his human form) tries to frame Shinnosuke, whom already aware of Brain's involvement in the division. Meanwhile, a girl named Yoriko seeks Go's help as her brother was attacked by a Roidmude.
Go confides identity of his father to Shin'nosuke. Shin'nosuke thinks a plan out with Chase because he wants to support Go.
Roidmude who fused with a criminal committed bank robbery. When Shin'nosuke identifies the criminal, he is beside himself with rage.
12 years ago, an assistant police inspector Eisuke Tomari who is Sin'nosuke's father was killed in bank robbery case. Now, Brain tries to kill the people concerned the case, but why?