Duo Rider is the second installment to the American Neo-Rider Series and the fourth Rider adaptation overall. It is the first part of a prequel trilogy to Power Rider. It'll be based on Kamen Rider W.
Three years before the events of Power Rider, the mysterious Carroway family arrive in Windy City. They begin selling mysterious devices resembling USB flash drives called Gaia Drives to criminals & other interested parties who use them to become monsters, committing crimes with the police force powerless to stop them. To make matters worse, these Drives carry a dangerous toxin that cause a majority of their users to go insane to the point where they could die from the life-threatening devices. A detective duo, consisting of the self-proclaimed hardboiled (actually half-boiled) detective & chief Sam Holmes & Philip, a mysterious teen with no memory of his past, investigate these crimes which involve mutant criminals. Using their own Gaia Drives, Sam & Phillip use the Duo Driver to transform & combine into Duo Rider to fight the alien menaces & keep Windy City safe. While joined in their fight by investigator Drake Watson, who transforms into the Accel Rider, the mystery of Philip's past, his relation to the Carroway family, & their Museum organization are revealed.