A fantasy-action sageuk that takes place after the establishment of the Joseon dynasty and tells the story of the undead who come back to life after being killed by the royal family.

Seo Ji Ahn, a former rich girl, was forced to be her family's breadwinner after her father's bankruptcy. She is now a contractual employee and living her life with restrained emotion. The drama chronicles her struggles to find new meaning and happiness in life.

The ambitious success stories of 6 people surrounding Prince Lee Bang Won, and the ideological and political conflict between Prince Lee Bang Won and Jung Do Jeon, the man instrumental in helping King Taejo establish the fledgling Joseon nation.

Being bullied at school and suffering violence at home, Mi-rae, a middle school loner, lives on the border between reality and fantasy. The only places she feels restful are the computer game world, and the would in the novel she writes in her notebook. As her classmates Baek-hap and Tae-yang come close to Mi-rae, she gradually opens up her mind to them. In the meantime, the computer game service is terminated, and the world in her novel also disappears, leading Mi-rae to face a tough reality again.

Nan Hee is an ugly girl and this has influenced her to become mean. One day, she receives a ring which holds a family secret. Se Gun is handsome, but he has a cold-blooded personality. Due to the magic of the ring, he declares Nan Hee as his ideal woman with a beautiful appearance.

Park Dal Hyan hails from a poor family and aspires to be a soldier. He joins a group of adventurers who serve the Crown Prince as his warrior guards.

Two childhood friends grow up supporting each other through the difficulties of poverty, then meet again years later and stand by each other as they rise through the ranks of society. After marrying into a wealthy business family, Kim In Sook's life becomes a living hell. Seen by her in-laws as a gold-digging intruder, she is pushed to the margins. When her husband is killed in a helicopter accident, her mother-in-law takes away In Sook's beloved son. Enter Han Ji Hoon, an old friend of In Sook, and powerhouse new family lawyer determined to put a stop to In Sook's mistreatment. In Sook finally retaliates by launching a bold plan to take over the family company, and Ji Hoon supports her no matter the cost. In the midst of their battle for survival, their hearts are drawn together in a passion that could end up costing them everything.