In Shanghai after the fall of the Republic of China, you were a "husband and wife" and even more trapped animals who were wary of each other. Every tenderness is testing the bottom line, and every good night is a measure of truth and falsehood. The person beside the pillow whom they couldn't see through, and the dawn they couldn't wait for, put their souls tormented repeatedly in the fire of suspicion.
Until one day, he became an unforgivable "traitor" in the eyes of the world...