There is a kind of person in this world. They pass down their calling through generations and can freely travel between different times and spaces. When you need them, a black business card will appear before you. It will take you to a teahouse between times, where one of them will be waiting. They are time-space merchants. You can trade all kinds of things with them, as long as they are willing.
Si Chi is the time-space merchant of this generation. She finds a man named Cang Hao in a rift in time and space. For various reasons, they end up living together. What will happen between a time-space merchant who seems indifferent to everything and a man who looks harmless?
Theme: The many faces of life
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