Hong Kong bathed in the golden light of the 1960s. Chow Mo-wan and Su li-zhen are neighbors living in two rented apartments side by side. The journalist with the perfect haircut and the elegant secretary in a perfectly fitted dress exchange casual pleasantries at the stairway. Until they find out their spouses are having an affair with each other. The silent understanding will sprout into a relationship which, at that place and time, should not have come to fruition.