Lin Bei ran a dumb house in Panjiayuan in the 1990s and lived an ordinary life. In an accident, the famous Warring States sword sent back by his parents turned into a cold and cold girl, and she was worshiped as his master. I wanted to treat her as an ordinary store clerk, but she always stared out the window at night. It wasn't until a guest named Wang Kaixuan brought a family heirloom jade pendant that Lin Bei discovered that there were terrifying secrets buried beneath the world that far exceeded the value of antiques.