The novel centers on a group of seven friends—Aroa, Xacobe, Nico, Beatriz, Óscar, Piero, and Mía—who embark on an Interrail journey across Europe immediately after finishing high school.
The narrative alternates between the original trip and a period ten years later The Catalyst: Nico, now living in Bergen, Norway, discovers a mysterious postcard
The story begins in a chaotic European capital—often interpreted as Madrid or Paris—where the young protagonist feels suffocated by routine and academic pressure. After a personal tragedy or a family breakdown (spoilers are kept vague here for new readers), they decide to purchase a Eurail pass and embark on a journey with no set return date.
Discovering Identity: An In-Depth Look at Europa Express by Andrea Maceiras
The journey became a surreal odyssey, with Andrea, René, and Lena disembarking at various stops to explore hidden corners of Europe. They strolled through a Hungarian market, visited a Bohemian café in Vienna, and sampled rebellious graffiti in an abandoned Prague neighborhood.