In 1938, a girl, Joo-Ran (Park Bo-Young), is transferred to a boarding school in Keijyo (old name of Seoul). Joo-Ran learns of another student with the same name and she tries to figure out the hidden secret of the boarding school.
100 years ago, titans suddenly appeared on Earth. Soon, human civilization veered on collapse due to the titans. Humans then built a giant wall to defend themselves. Within the giant walls, humans lived in peace, but, 100 years later, the giant wall is broken.
Post-war South Korea in 1953, Heo Sam-Gwan (Ha Jung-Woo) works on a construction site and helps his uncle to farm. The guys in his village can't get married, until they are able to sell their own blood.
Description: Magazine Photographer Sung Tin Chung (Myolie Wu) because of an accident, lost her parents also lost the light, natural beauty and drama but did not have low self-esteem, boyfriend To Ching Hang (Jonathan Cheung) and accompanied by a guide dog that she gradually regain their confidence, her seat is the right one chrome "Love is omnipotent," became her out from the pain to the strength of this ad creator mended Kam Yin Chong (Moses Chan) now lives in her next door. Because addiction work order too serious to lose all my friends and colleagues, even apprentice Yuen Yuen (Elaine Yiu) also decided to resign, too serious a little lost, decided to put a long holiday and return to the old home life,  ... lost and old friends Yue Kar Ging (Evergreen Mak). Back to the old way, not to make a new start too serious, leaving him to re-understanding of their own, faithless boyfriend again that day from a low ebb, it is fortunate to have too serious to become a guardian angel beside, two totally unrelated character actually rub out of love spark, but found that seeing blind spots, but this is too blind to see the light......