A pair of childhood sweethearts were forced to separate due to family changes. The night before they separated, she gave all of herself to him. He said he would come back to pick her up, and she kept his promise wholeheartedly. However, as the date of his promise got further and further away, she became pregnant with his child. Having no choice but to watch for love made her leave her hometown and embark on the path of searching for him alone. However, this search lasted six years. In the past six years, he has married another person. She just wants to ask him if he still remembers his original promise? But his jealous wife tried every means to prevent them from meeting each other, and wanted to take away her and his son. After six years of heartache and tears, who knows? Six years later, the two finally meet again, but things have changed. Can they go back to the past?