A story of how Park Kang's life is changed on Christmas day. Park Kang is a popular actor, but he is also a scandal maker. His manager is Jo Yoon and they are also long-time friends. One day, Park Kang's ex-girlfriend Soo-hyun suddenly appears in front of Park Kang.
When the investigation of 'Koreagate' takes place, Park Yong-gak, a former KCIA director who knows everything about the government's operations, heads to the United States in exile.
A true historical drama about King Sejong, the greatest ruler in Joseon history who sought to enhance national prosperity and military power through astronomy, and Jang Yeong-sil, the most remarkable scientist.
Real-estate CEO Yoo So-joon uses his ability to travel through time to marry photographer Song Ma-rin in an attempt to change his future.