When Wang Yan, a modern man who believes in science, was reborn as Wang Quan Yan, a descendant of the declining royal family in the world of "Fox Demon Matchmaker", what he received was not Long Aotian's script, but a "guarding the heart" inheritance from the ancient sword master - use protection as an offense, protect without killing.
In this familiar yet unfamiliar world, he witnessed with his own eyes the determination of kingship, wealth and wealth, and got acquainted with Tushan Rongrong, the demon with a thousand faces who controlled the economic lifeline of Tushan and always squinted his eyes and smiled, because of a "divine friendship" that transcended positions.
One person, one sword. He was in the midst of conflicts among aristocratic families, and he made plans in the long river of time and space. What he sought was never the killing power of the sword from heaven and earth, but the sword that could protect what he saw in front of him - the heart-guarding sword.
