Xiao Tianluo, a modern special forces soldier, traveled through time and became the son-in-law of the Marquis of Xuanwu. When he first entered the Marquis's mansion, he helped Zhu Jiuer clean up the manor with his extraordinary courage and won his trust. The two started off as a couple by agreement, started a business together, and established a firm foothold by using soap, arithmetic secrets, etc. To create a business territory. At the same time, they were deeply involved in the turmoil of the Chu Dynasty's seizure of heirs, and faced the conspiracy from many forces such as the third prince and the Japanese envoys. Xiao Tianluo relied on the skills and resourcefulness of the special forces to save danger many times and protect Jiuer. The two gradually fell in love and ushered in a new life. In the end, Xiao Tianluo will face the conspiracies of all parties in a life-and-death battle with Japanese Yin Shu to protect the peace of the Hou Mansion and Da Chu.
