Casseia Majumdar is a student on Mars, fighting the State government's attempts to control the entire planet's population. She is attracted to a young scientist, Charles Franklin, but events push them apart and it is not until Earth's manipulation of Martian politics and economy become a threat to the planet that they are reunited: Casseia as a political leader, Charles as a physicist whose theories could change the future of humanity and the universe irrevocably . . .