Song Il Gook plays Ju-Mong, the founder of the Goguryeo Dynasty in 37 BC. Han Hye Jin plays the role Soh Suh No (소서노) who is extremely intelligent and is King Ju Mong's second wife.

"Sodongyo" is said to be one of Korea's oldest folk songs. According to Samgukyusa (The Memorabilia of the Three Kingdoms) from the Silla Kingdom, the song was written by Sodong, a commoner from the Paekche Kingdom. Hearing that Princess Sonhwa, a daughter of King Chinpyong of the Silla Kingdom was beautiful, he writes a song saying that the princess visits Sodong's room every night and spreads the song around. When her father hears the song, he condemns the princess to exile. Sodong picks her up and takes her to Paekche, and they become the royal couple of the country.

Fashion 70's focused on the lives of four young people, from their childhood during the Korean War, to their careers and love lives within the booming fashion world of the seventies. When Joon Hee was young, she befriends a little girl called Kang Hee, this two girls always get into trouble because of Kang Hee's greedy mother. At the same time, Joon Hee also makes friends with two boys, Dong Young, the son of a military general and Jang Bin. But when North Korean forces invade their town, both girls are separated from their parents and Joon Hee's mother is killed in an explosion. Believing his daughter to have died, Joon Hee's father adopts Kang Hee and raises her as his own daughter. Joon Hee is discovered at an orphanage by Kang Hee's mother, and is also adopted. The trauma of the events causes Joon Hee to block out her childhood memories and she grows up on a small island as Doe Mi, unaware of her true identity.

Years pass and their paths cross again, with complicated and destructive results. Doe Mi dreams of becoming a fashion designer, and petty criminal Jang Bin helps her move to Seoul to chase her dream. In the process he falls in love with her, but his feelings are unrequited...

This series and our heroine takes place in the Chosun Dynasty. From being a mere servant of a household who manages to make her way and becomes a Damo, a low-status woman detective. Very skilled in swordplay and righteous in the name of justice. In a society of inequality she must not only fight crime, but to fight for her freedom and respect as a woman. Relationships in love, torn between attraction and loyalty. Her choice will not only change her life, but the dynasty itself.