In the heart of Qingdu City, a strange partnership takes shape between fire investigator Yu Tong and detective Lin Yao Yao after a string of odd fire incidents. They team up after a spontaneous combustion at a university campus, and soon, they're diving into a bunch of puzzling fire cases. With Yu Tong's special four-colour vision and Lin Yao Yao's sharp detective skills, they tackle the human dramas and social issues behind each fire they investigate.

As they unravel the truth behind the fires, Yu Tong's hidden intelligence and grudge-filled past come to light, challenging Lin Yao Yao's by-the-book approach. Their differences cause tension, but as they learn more about each other, especially Yu Tong's painful history, they come together to seek justice. They face their own demons and uncover some shocking truths, including the surprising revelation that Yu Tong's girlfriend's brother is their ultimate foe.

The wandering physician Ye Pingan, entangled in an old and secretive case, arrives in Chang'an. Accused of mystical medical interventions, she manipulates minds and evokes fear, while the low-born magistrate Yuan Shaocheng, craving power, seizes the opportunity to rise. A murder in Chang'an implicates Ye Pingan, but is she truly an innocent scapegoat or a mastermind plotting revenge? The first move in her intricate scheme has already unraveled.

After meeting Sima Jiao, the master of Gengchen Immortal Mansion, who has been sealed in the mountains for five hundred years, and Liao Ting Yan, who unexpectedly came to the world of immortality, he was overcome by his "salted fish" (a term used to describe people who are self-deprecating and have no pursuits) instinct of wanting nothing. From then on, Liao Ting Yan began to guide Sima Jiao to be good step by step and became the person who changed him.

During the process, they fell in love and experienced a love-hate entanglement spanning three lives in the fairy palace, the demonic realm and the human world. In the end, the two chose to protect their love and maintain peace in the three realms.

Li Rong and Pei Wenxuan married at the age of 18. Li Rong used Pei Wenxuan’s family background to avoid disaster, and Pei Wenxuan used Li Rong’s identity as Princess to establish himself. They married for political reasons, without the slightest bit of affection. Later on, she lost herself in the midst of wine, song and dance. As for him, he had a home yet did not bother coming home because he already had someone in his heart… Husband and wife for 30 years, yet nothing between them but power. In the end, it was hardly surprising that someone turned them against each other, leading them to die under each other’s schemes. However, when they woke up, they had actually returned to the year when they were 18 years old, returning to the most difficult time in their lives. So Pei Wenxuan went to look for Li Rong. To be married again but with divorce in mind.

She is called An Jiu, but she is the scythe in the hand of death, the killer who sinks into the eternal night, struggling hard for that out-of-reach ray of light. She was injured in a mission and met Mei Jiu. Together with the kind and weak girl, Mei Jiu, they enter the Mei Mansion. An Jiu then realized that there were suspicious things one after another, leaving her with no choice but to hide her real strength. Not long after, she discovered the Mei family's secret: they train secret bodyguards for the royal family and are actually one of the most ancient families of secret killers of the Song Dynasty.

She gradually became good friends with Mei Jiu and also secretly fell in love with the master who taught her martial arts, Chu Dingjiang, the commander of the Crane Control Army.

It tells the story of a widow, Jun Qinglan, who disguises herself as a man and joins the Imperial Guard to clear her family's sorrows. After going through hardships, she finally lives with her beloved. A story of blood and tears of fighting for a happy life, without shame or embarrassment.