Legend is a dystopian thriller that marks the debut of US author Marie Lu. Set in a future Los Angeles within the Republic of America, the story centers on two main characters: Day, a boy renowned for his status as the Republic's most wanted criminal, and June, a girl seeking to avenge her brother's murder, for which she believes Day is responsible. The narrative unfolds with June undercover, leading to a fateful encounter between her and Day. Despite being drawn to each other, the hidden truths of their pasts pose significant challenges as their intertwined destinies come to light.