Sierra Monstroe has grown up in a household of a loving family, a homeschooled wizard, and a perfect life. Until, one night when she is thirteen, she finds her parents missing; she is taken to Azkaban for questioning and sooner or later learning that her dad is Sirius Black. She is soon accused of helping Sirius Black (Aka. Her Dad) and goes to Hogwarts for the first time, she worries day and night about her adoptive parents and her real father. Can she believe her dad is that kind of person to do that kind of stuff? Or can she believe she is really guilty? She soon becomes best friends with Harry Potter and his group, and she goes on an adventure she had never expected, and she might meet her real dad for the first time, wondering every day, if she would be able to forgive him. This is Sierra Black’s Story.