"Stay with Me, My Love" is a story about a young single mother, Mi Sol. She gets embroiled in a love triangle with the father of her child, Suk Bin and her newfound love, So Ryong.
Best friends since young, Mi Sol and Suk Bin find soul mates in each other as they both face much pressure from their mothers. One night, they end up spending the night together and Mi Sol becomes pregnant. Upon realizing that Mi Sol is pregnant, Suk Bin flees to America to further his studies with instructions from his mother. Despite being a student, Mi Sol decides to have the baby herself. Her mother decides to raise Mi Sol’s son as her brother.
Many years later, her life takes a turn and she meets So Ryong, the perfect man in everyone’s eyes, and they start to take an interest in each another. Suk Bin returns from America, unaware that his childhood love, Mi Sol, actually gave birth to their child. A love triangle around the three unfolds.