A homeroom teacher of Yosan Private High School has an accident, and thus a substitute comes to fill in. Han Bong-Gu is a mysterious man, and after strange occurrences the class president Ye-Rim tries to get to the bottom of this mystery.

The police officers at South Korea's busiest patrol division toil day and night as keepers of law and peace — but the reality is far from orderly.

Life is ever-delightful — and ever-challenging — for a group of friends in their twilight years as they rediscover themselves through love and family.

Set in the 1960's and 1970's. Soo-In is a smart student who has never missed ranking at the top of her class. Due to her poor family situation, she begins to work at a factory instead of going to college. Nevertheless, she pursues her dream.

Romance is sweet and bitter — and life riddled with ups and downs — in multiple stories about people who live and work on bustling Jeju island.