When Li Shang became Li Shang, she never thought about the future. To be precise, she didn't think she had a future. But she still has a reason to live. For this reason, she came to the world and opened a shop called "Tan Yuan Cheng Qi" with Rong Yuwei, her only remaining concern. Now, come and make a deal with her. As long as you pay the price, resentment, protection, love... Can all be completed.
What do you do when your world becomes a quagmire of sin? Unable to turn around and run away, Li Shang chose to turn herself into a sword. Love and hatred in the world have nothing to do with her. She only needs to fulfill the wishes of the sword holder. But there are always people who want her to fall into sin. Has Li Shang sunk? And what will she do when the truth unfolds?