She was a doctor who lived in seclusion in the mountains. In order to save the man she had loved since childhood, she went down the mountain to find medicine against her teacher's orders. But unexpectedly met the high-spirited general on horseback...
He became immortal because of her treatment, but he wanted to die. He chased her for two lives and swore revenge, but he had no choice but to plant all the wrong results by himself.
He loved her for two lifetimes, but he couldn't win her because he met her one step later than others. When she finally looked back, he would not live to be twenty-three years old.