The father doesn't know if he's there or not. The son, who has been living in a relationship like that of a single-parent family, is always frustrated by his mother's lonely appearance, and the mother, too, is unsure of where to direct her feelings of frustration. Their feelings for each other are naturally drawn to each other... Though confused, the mother and son cannot suppress their intense carnal desires. As if it were fate, they seek each other's bodies as they please with their carnal desires.