Embarking on a quest to Caem, the Crown Prince of Lucis, Noctis Lucis Caelum, aims to reunite with his childhood friend and oracle, Lunafreya Nox Fleuret, with the intention of marrying her. With his steadfast companions Gladiolus, Prompto, and Ignis by his side, the reticent Noctis drives across the continent in the king's convertible, the Regalia. As they traverse the land, facing diverse encounters, the group delves into their shared history, forging unbreakable bonds to confront the trials ahead. Serving as a precursor to the popular video game Final Fantasy XV, Brotherhood: Final Fantasy XV delves into the intricate relationships among the central quartet and the adversities awaiting them.