"Champion" is the concluding installment in Marie Lu's "Legend" trilogy, which follows the journey of June Iparis and Day Alistair. Set in a dystopian future, the story unfolds amidst political turmoil in their war-torn society. As tensions rise between the Republic and the Colonies, June and Day find themselves grappling with their pasts and the weight of their choices. Their love faces challenges as they strive to secure peace and protect their nation from impending threats.
Throughout the novel, themes of sacrifice, loyalty, and hope are prevalent. June, now a powerful figure, must navigate complex alliances while trying to balance her personal desires with her duty to her country. Day, dealing with his own struggles, is torn between his past and his vision for a better future. Together, they face adversity as they work to unite their divided worlds.