Su-ji, U-ri, Doo-ri, and Do-young prepare a small but special wedding for Sun-young and Woo-chang. A year later, Jang-soo's Bibi Roll business thrives thanks to Doo-ri's help, and both U-ri and Hyun-sung are busy taking care of their baby boys. Meanwhile, Su-ji makes a life-changing decision after treating her patient, Ji-woo, for a year.