Kamen Rider Unknown

An evil doctor discovers a substance from outer space. A mysterious organization funds his research into this unknown substance, but as he studies it, the doctor senses something is wrong. He begins combining the substance's power with the human body to create upgrades. Just as his research is about to succeed, the organization destroys his laboratory and seizes all his findings. The doctor's fate is unknown, and his daughter sets out to find him. Meanwhile, new monsters begin invading the world. Kamen Rider appears as well.