This is a fantasy novel set in the fantasy sea continent.
Zi Yan, the number one killer of Skynet, ran away from Skynet because he was tired of killing. He met Jun Yichen and married Jun Yichen with the mentality of living an ordinary life. Not long after the good times, Jun Yichen's mother was Mo Xiyue, the eldest princess of the Song Dynasty. Her admirer was Ren Zhaonanyuan, the Prime Minister of the Song Dynasty. Thinking that the eldest princess had been missing for more than ten years, she never wanted to marry a little county guard. In anger, she paid a lot of money to hire a Tianwang earth-level assassin to assassinate Jun Yichen. She accidentally discovered the escaped sword master Zi Yan, and a huge conspiracy web was being woven invisibly...
