Set against the backdrop of World War II, this gripping narrative follows the contrasting paths of Anna and Hayden Schmitt, siblings hailing from Munich, Germany. Despite being raised under the same roof, their personalities diverge starkly: Anna, a staunch advocate for her convictions, while Hayden strives for acceptance from his peers at any cost.

Fearing for their children's safety in Nazi Germany, Anna and Hayden's parents make the difficult decision to send them to live with relatives in Paris. However, this move leads to a growing chasm between the siblings. In the City of Lights, their once-close bond fractures amidst the complexities of friendships, romantic entanglements, and their differing approaches to navigating the perilous German occupation. As they grapple with these divergent paths, their lives become entwined with the struggles and challenges of wartime Paris.