Oh Ha-Na (Ha Ji-Won) and Choi Won (Lee Jin-Wook) are both 34-years-old. They have been friends for 17 years. Oh Ha-Na is currently a career woman with an honest and confident personality. Choi Won works as an assistant purser for an airline. He has always helped Oh Ha-Na whenever she got into trouble. Cha Seo-Hoo (Yoon Gyun-Sang) is a pianist with a free spirit and Lee So-Eun (Choo Soo-Hyun) is a cabin attendant for an airline. Will Oh Ha-Na and Choi Won find love?