Watching her son grow day by day, the mother feels proud, but her presence deeply stirs something within him. Though time has passed, her beauty continues to move her son's heart. One day, when the son begins to see his mother as a woman, she can no longer suppress the desire blooming deep within her chest, struggling desperately to hide her torment. Meanwhile, the son is overwhelmed by romantic feelings and uncontrollable sexual urges toward his mother. Will these two cross the forbidden boundary they should never pass?