This drama tells the story of a 57 year-old woman named Na Mi Rae (Choi Myung Gil) from 2038, a television broadcast writer, travels back in time to meet her 32-year-old self (Yoon Eun Hye) from 2013 with the goal of preventing her marriage to Kim Shin (Lee Dong Gun) and thus send her past self down a different path in life.
(Source: DramaWiki)