Ban Ji-eun can remember all her past lives. When her previous life is cut short by a tragic accident, she sets out to reunite with a man named Moon Seo-ha whom she met in her 18th life.

Ban Ji Eum has an extraordinary ability: she can remember the memories of all her past lives. Repeating her reincarnation for nearly a thousand years, Ban Ji Eum has been living her lives diligently. After her previous life is cut short by a tragic accident, she sets out to reconnect with the people of her past life in her current one.