Nakai, a young filmmaker, and Tanizaki, the enigmatic owner of the art gallery In the Walnut, have been friends since their university days, studying art together. Their friendship has blossomed into a romantic relationship, but there's more to Tanizaki than meets the eye. As Nakai discovers, Tanizaki's charming facade conceals a secret: he's a con artist. As Nakai learns more about Tanizaki's duplicitous nature, their relationship is put to the test, raising questions about trust, love, and the blurred lines between reality and deception.