"What? Am I too fast for you?" After Katherina's parents gave their daughter to HYDRA, nothing has been the same. She had to gain through years of experiments, better called as pain. They sucked the life out of her tiny body, replacing it for chemical stuff. She became an experiment herself until they dumped her in a cell with two people who survived the experiments as well. She never could imagine that those particular twins would change her depressive life.