Amber Harkstone never asked to become Lionheart. But alongside Moony, Wormtail, Padfoot, and Prongs, she witnesses the rise of the Dark Lord and fights alongside her friends in the First Wizarding War. Of course, being a teenager at Hogwarts can feel like a war itself, especially when you've inadvertently become the fifth marauder. After all, what difference could one girl make?