Tina Clancy hardly has a chance to celebrate passing the bar exam when an explosion at Acme Chemical sends a noxious pink and green cloud billowing over Baltimore's radioactive zone. It is not as if the place was normal to begin with, but the poisonous fumes overtake the sky, her neighbors are falling comatose--and Acme is plucking them off the streets faster than Tina and her friends can save them.