Ha No Ra, who left school early due to an unexpected pregnancy and married at a young age, has spent the last twenty years as a homemaker. Now, she finally has the opportunity to attend college, joining her 20-year-old son, Kim Min Soo, and his girlfriend, Oh Hye Mi, on campus. Adding to the complexity of her new academic life, No Ra finds herself in a tense situation with her professors, who happen to be her husband, Kim Woo Chul, and her first love, Cha Hyun Suk.