The story of Bikerift Rider takes place in a world where ancient beast energies and modern transformation technology collide through a system called MedaBeast. Baharuddin Wisnu "Bahar" Tenggana discovers the OmniWatch Driver and becomes Bikerift Rider Benstorm after bonding with a powerful MedaBeast. Together with Ghea, who becomes Bikerift Rider Gevina through magical Rift powers, and their friends Kerrick and Gaby, Bahar explores mysterious Rift worlds while protecting humanity. Their journey soon brings them into conflict with Dreadspire, a powerful organization led by the Dreadborn Khaedros. Dreadspire uses corrupted Rift energy to create monsters and conquer territories. As Benstorm and Gevina unlock new forms and abilities, the team must uncover the true origin of the Rift, defeat Dreadspire's monsters, and prevent Khaedros from unleashing a catastrophe across multiple dimensions.