"A Northern Light" is a historical novel set in the early 20th century, centered around a young woman named Mattie Gokey. She lives in a small town in New York and dreams of a life beyond her rural surroundings. The story unfolds as Mattie grapples with societal expectations and her aspirations for education and independence. Her character embodies the struggle of many women of her time, as she seeks to shape her own destiny amidst traditional roles. The narrative intertwines Mattie's personal growth with themes of love, loss, and the pursuit of dreams. As she navigates her relationships with her family, friends, and a budding romance, she faces challenges that test her resolve. The backdrop of the novel includes the haunting events of a real-life murder case, which adds depth and urgency to her journey.