Wu Yan is an ordinary woman. Her goal is to become a mother before the age of 30, but before that she must find a "manufacturer" for the little one who calls her mother. She has just passed her 27th birthday and is about to start her husband-hunting plan. Because of her curiosity and rebellion when she was young, will her unknown past really not affect her future happiness? Knowing him made her heart ripple, but the age gap reminded her that she couldn't accept it, but her heart sank...
He is five years younger than her, and he is a person who likes to think independently. He is introverted and calm, and is not good at expressing himself. He is full of contradictions in his heart towards this woman who is five years older than him. Accept it? Reject? Sometimes she is so generous and cheerful, and ghostly; but sometimes she is so melancholy and sad. She is a woman full of mystery...