The story revolves around Nina Hill, a charming and introverted young woman who works at a bookstore and finds solace in her meticulously organized life filled with books, trivia nights, and a cat named Phil. Her structured world is turned upside down when she discovers she has a large, eccentric family she never knew about, following the death of her estranged father. As Nina navigates the complexities of newfound familial relationships and unexpected romantic interests, she learns to embrace the chaos and unpredictability of life, ultimately finding a balance between her love for solitude and the joys of human connection.