An ex-con enters a house without being invited to live with a married couple with intellectual disabilities and their seven-year-old daughter.
An ordinary guy suddenly finds he has superpowers he can use to help his spirited daughter and the people around them, but he also runs into trouble in the process.
Amid a coup, a North Korean agent escapes south with the country's injured leader in an attempt to keep him alive and prevent a Korean war.
Yoon Ye Eun has been married for 7 years. She is a housewife and works hard taking care of the family on her husband, Lee Jin Sup's side. Her in-laws though give her a hard time, but she is positive and happy. Her husband's business is doing well and they move into a new house. However, she then finds out her husband is having an affair. Yoon Sang Eun is single and runs a small piano institute. While running her piano institute, she has fallen into debt. She meets Choi Jae Woong through a matchmaking agency. Choi Jae Woong proposes to enter into a contract marriage with Yoon Sang Eun and in return he will pay off her debts.
In the 1700's, Crown Prince Lee Sun fights against Pyunsoo hwe. Pyunsoo hwe is an organization that has accumulated power and wealth through privatizing water all over Joseon. Crown Prince Lee Sun becomes a hope for the people who suffers. Ga-Eun is the woman Crown Prince Lee Sun loves and she helps him grow as a ruler.
Kim Jae Min is a sweet husband who will do anything for his wife Lee Mi So. Mi So has a bright personality, but she learns that she is pregnant with their second child. Even with just one child, she has a hard time raising their child and working. Kim Jae Min decides to submit for a maternity leave at his work and begin to raise their child and do house chores.