Ran Sijin is a 21st century forensic doctor who is also good at telling fortunes. He died of an accidental explosion during the capture of the prisoner. Ouyang Jue, who traveled through time and became the seventh lady of the General's Mansion with an occasionally cute personality, is the son of the heterosexual king of Dayong and the Lord of the Yin Mansion of Jing Zhaoyin, who is responsible for investigating murder cases in the capital. Martial arts prowess is hidden deep inside. He made an engagement with the heroine out of anger, and was gradually attracted to the heroine. He has a poisonous tongue, does not have a very harmonious relationship with his father, and has a shadow in his childhood...