Mr. Lu, Your Wife Went to the Scene for an Autopsy Again.

Su Tian, ​​a girl who works in a convenience store, possesses a unique sense of smell and fighting skills, just to find her sister who has been missing for ten years. Private detective Lu Yan is a cold-faced and highly intelligent man, but he is actually an abandoned son of a wealthy family seeking revenge. The two got acquainted because of a murder on a rainy night, and changed from "temporary partners" to "life and death friends." In a series of mysterious cases, they peeled off the cocoon, uncovered the evil behind the mask of charity, and personally sent the demonic group that turned their sister into a "specimen" into hell.