Some superheroes can fly, or lift great weights, or shoot lightning bolts. Mustang Sally runs. A third-generation superhero, Sally's life changes forever when she fights and loses to the notorious villain Destroyer, who killed her father just before she was born. She dedicates herself to tracking him down so she can even the score.When all you can do is run, you'd better be fast, but can even the fastest girl in the world run quick enough to save her teammates' lives from Destroyer and his growing parahuman army?