A Floating Thought Creates a Long Shadow and a Long Song

The story is set in the fictional Tang Dynasty, and its prototype is the prosperous age of Emperor Xuanzong of the Tang Dynasty. Beneath the apparent prosperity, there are dangers. The capital city of Tanghua is bustling with activity, but it conceals problems such as official corruption and threats from foreign enemies. Lin Chuyu, a modern kindergarten teacher, traveled through time and became Ye Qingyin, a concubine from the Shadow Guard family, and joined the Shadow Guard organization. During training and missions, she met Lu Li, the leader of the Shadow Guard, and Yun Xiuran, the young minister of Dali Temple. As the female protagonist participates in the mission, Pei Su's conspiracy emerges, her cooperation with the male protagonist deepens, and their relationship heats up. The heroine is involved in a power struggle, questioning the mission of the shadow guard, and the conflict with Lu Li becomes prominent. She and the male protagonist join forces to investigate and uncover the truth. Pei Su's coup breaks out, and the heroine faces a difficult choice. The Emperor's ruthless exploitation tore the Shadow Guard apart. In the end, the heroine, the hero, and Lu Li teamed up to defeat the coup, and Lu Li died. The heroine grows up in prosperity and disillusionment, and embarks on a new journey.