Criminal police Li Hongqi accompanied his girlfriend back to his hometown for the Chinese New Year, and accidentally discovered that his father-in-law was involved in this crime-related case. With a strong sense of justice, Li Hongqi decided to give up his vacation and cooperated with the local police to start an investigation.

According to the legend, there are five immortals: the Fox, the Yellow, the White, the Willow and the Grey. The Five Immortals are known for their kindness and revenge, or in northeastern China, "protecting the calf". This is why the Five Immortals are also known as the "Family Protection Immortals". They are people who have been worshipped for generations and can communicate with the immortals and use their power to heal and save people and do good deeds. The immortal and the Immortal will usually enter into a contract to live and die together. Among the five family preservation immortals, Hu San Tai Nan of the Fox family is the most powerful, the most affectionate and the most loyal.

During the years of the Republic of China, there were strange rumors circulating in the Northeast, and the old hunter, Master Ma San, was proficient in hunting and knew how to drive away ghosts and break the evil spirits. At the foot of the Changbai Mountains, the villagers of Huanggoutun are terrified of the evil spirits and the frequent occurrence of many tragedies. The villagers are terrified. Master Ma, who has been living alone in the mountains for more than ten years, goes out to solve the strange cases and investigate the secrets of the old forest. In the old forest where strange things happen frequently, the dusty past is constantly being uncovered.

In Japanese-occupied Harbin, young officer Feng Jiangchu investigates a mysterious "Ghost House" after a thief is found dead inside. Undeterred by warnings, he delves deeper into the case, uncovering a complex web of intrigue involving the Japanese forces and resistance fighters.

Zhao Dawei, the son of the village’s richest man, competes with Chen Tianyu, the capital's first secretary, over a pilot project. Their rivalry sparks chaos, but Dawei is inspired to join forces with Tianyu to tackle the village’s poverty and pave the way for a better future.

After villager Gu Dahe reports criminal leader Wei Tianlang, he mysteriously disappears, and his sister dies under suspicious circumstances. Amid a nationwide anti-crime campaign, Lei Yang, captain of the criminal investigation unit, steps in to uncover the truth and bring justice.

During the reign of Guangxu, the country was weakening and foreign troubles were becoming more and more urgent. The uprising was crushed by the old feudal bureaucratic forces because of the traitor's informing, and it failed. However, the sacrifice of Qiu Jin and other volunteers awakened more people to join the struggle against imperialism and feudalism. Four years later, the Xinhai Revolution broke out, overthrowing the Qing Dynasty, and the blood shed by Qiu Jin bore the fruit of the revolution.