Even though my libido should have dried up, I still get an erection just by looking at my son's wife. - Pentagram

The movie revolves around the complex and taboo relationship between a father-in-law and his daughter-in-law, Shayue. Despite his age and societal expectations, the father-in-law finds himself irresistibly drawn to Shayue, leading to a morally ambiguous and dramatic exploration of desire, boundaries, and family dynamics. As the story unfolds, the central tension builds around the consequences of their actions and the impact on their relationships with each other and those around them.