The relationship between Wang Heng and Liu He deepens significantly. From Chang'an to Yuzhang, from the imperial court to the common folk, the two grow continuously as they confront external threats and investigate internal conspiracies. Faced with the hardships of the people, local entrenched issues, and behind-the-scenes schemes, they mature together, showcasing a moving friendship and a profound sense of patriotism and duty...

Wang Heng, a frustrated young man, accidentally travels back to the Western Han Dynasty. There, he encounters De Jiu, a female swordsman who strongly resembles his ex-girlfriend, and forms a deep friendship with Liu He, an outgoing man. Determined to team up and challenge history, the trio tries to rewrite Liu He's fate—he was once a short-lived emperor who only reigned for 27 days. Together, they embark on a bold, cross-temporal adventure to defy destiny...