Lin Yanzhi, an orphan from the "Secret Guard Camp" of the Dayong Dynasty, whose parents were killed for investigating the rebellion of Duke Ningguo, was adopted by a reclusive old man since he was a child, and learned tolerance and resourcefulness. As an adult, he lurks in the Ningguo Palace as a salt dealer. He joins forces with his brother Xiao Ling, a martial artist, and with the help of Hua Zimo, a mysterious heroine who can communicate with animals and plants, to gradually dismantle the power of the Ning Palace, collect evidence of rebellion, and use social contradictions to promote change. In the process, he started a behind-the-scenes duel with the resourceful villain Ning Zhaoyuan (Ning Guogong), went against the routine to resolve the crisis of identity exposure, and finally took revenge, becoming the co-master behind the scenes who controlled the world, but fell into new confusion because of his loneliness and strength.
