Architects Jing Ran and Yi Qingruan, who had not seen each other for seven years, met again because of a construction project in Shanghai. The overlapping arcs of the bay window on the drawing, and the concern hidden in the old unopened express delivery, brought the two back to their college days. The tacit understanding and temptation in workplace cooperation reveal the secret behind the separation. The monsoon is coming again, and the love that has been buried by the years is spreading again along the sunshine of the old window sill.
