In the smoke of the Republic of China, the relationship between Qiao Er and Chuan Yunlong is like a subtle tune, lingering between the South Street and the North Lake of the city. This story starts from the Chinese medicine shop Jiyangtang, and unfolds a ghost legend about friendship, betrayal and escape. The encounter between Qiao Er and Chuan Yunlong is a real ghost story , like two stars wandering in the world, accidentally meeting because of their common quirk – eating ants. This seemingly inadvertent encounter breeds the undercurrent of the subsequent plot. Chuan Yunlong's true identity – a tomb robber, is like a shocking bomb, detonating in Qiao Er's heart. This turn not only reveals Chuan Yunlong's complex personality, but also reflects the multifaceted nature of human nature. When Chuan Yunlong was arrested and about to be executed, he mysteriously disappeared, leaving Qiao Er with doubts and fears. Chuan Yunlong's escape, like an unsolved mystery, lingers in Qiao Er's dreams. The pangolin is both a symbol of Chuan Yunlong and a metaphor for his escape from reality. Qiao Er's dream is like a deep maze, leading readers to explore the traces of Chuan Yunlong. This story is unique in its plot design, cleverly combining traditional friendship stories with suspense elements, giving the story both emotional depth and plot twists. In terms of atmosphere creation, a world full of mystery and tension is constructed through the background of the Republic of China, the daily life of the Chinese medicine shop, and the luxury of the Chuan Mansion. In terms of character creation, Qiao Er and Chuan Yunlong have distinct images, and their friendship, betrayal, and escape are all thought-provoking. Finally, Chuan Yunlong's mysterious disappearance and Qiao Er's dream leave infinite room for imagination for this ghost story. This is not only a guess about Chuan Yunlong's fate, but also a profound reflection on human nature, fate, and escape. In this story, we see the power of friendship, the cruelty of betrayal, and the desire to escape. These elements together weave a ghost story that is both profound and full of literary beauty.