Alien invaders have all but destroyed humanity. Stella McMasters, a retired naval officer, yearns to get in the war but knows she'll never get a chance.
Then amazing things start to happen. After saving a comrade's life during a meltdown that almost kills her, physicians remove her radioactive flesh and turn her into a superhuman cyborg. She is then given command of her first ship and, against her better judgment, falls in love with its charismatic...