People say that the catastrophes in this life are often caused by the actions of your previous lives. No matter how many lifetimes you suffer, it cannot be changed. But there is a kind of transaction in the world that can solve it. It doesn’t require money, but instead a drop of your tears. Ye Yin, who was adopted by her mysterious teacher, is proficient in psychicism. After facing a variety of clients, crossing time and space to visit different countries, and after repeated tasks, can she resolve her own disaster, or will she lose her love to a man from a different time?