Sienna was well-known for her bravery and skill in bringing down the undead. On this particular day, she had been tracking a pack of zombies in a nearby city. As she moved through the streets, she spotted a girl running for her life and being chased by a group of zombies. She quickly intervened, managing to take out the zombies and saving the girl in the process. However, after she took the girl to her hideout, the girl discovered the terrible truth: That Sienna was there to hunt her