Madeleine, the protagonist, lived in a depressed environment for a long time. She married an indifferent and sophisticated Chicago businessman. Her marriage made her physically and mentally tortured. So she fled to her hometown in the north, but her harsh and indifferent mother did not welcome her arrival. One day, Madeleine was packing things in the attic of her hometown when she accidentally found a dusty suitcase. She found the Paris diary left by her grandmother Maggie inside the suitcase, from which she read the bold and romantic time she experienced in Paris in the jazz age. So Madeleine was inspired by her brave grandmother and began to look for her own way of life, both emotion and life. Eleanor brown, the best-selling author of the New York Times, tells us the most important thing in our life: live according to our own opinions, bravely pursue our dreams, become the person we want to be, and explore the fun and heartbeat in it.