In a dystopian future, all left-handed people are forcibly separated from the right-handeds. The lefts are constantly mocked for being weak and foolish by the rights. Until the attacks. Suddenly, 17-year-old Rube Chayla's world is thrown into disaster. She's a left. When the rights are constantly falling, it turns out the lefts may be humanity's only savior. But can she save the rights? And what is saving the lefts from the fate of the rights?