The story of a college student couple who unintentionally becomes parents and realize the true meaning of love and life. Jang Mi is an immature mama’s girl who grew without experiencing any hardship in life. Unlike her parents’ will to marry her off to a promising man they choose for her, Jang Mi has the hope to marry someone she falls madly in love with. As she dates innocent engineering student Cha Dol, she slowly begins to realize the meaning of love.