The political conflict between Prince Yi Bang-won and Jeong Do-jeon during the early years of Korea's Joseon Dynasty.

A natural disaster strikes the city of Seoul. The whole city becomes paralyzed. Doctors and emergency personnel struggle to save the people.

Young computer engineer Lily Chan investigates the secretive development division of her employer, a cutting-edge tech company based in San Francisco, which she believes is behind the murder of her boyfriend.

Follow the hopes and dreams of four generations of a Korean immigrant family beginning with a forbidden love and crescendos into a sweeping saga that journeys between Korea, Japan and America to tell the unforgettable story of war and peace, love and loss, triumph and reckoning.