Because of a wooden hairpin, she fell into a dream and became a peasant widow in an ancient country that did not exist in history. She was forced to marry her brother-in-law. From an innocent girl to a vicious medical woman, her hands were stained with countless blood. He, the head of a medical family in the 21st century, was born with poison and was left alone. When she woke up from the dream, he used the hairpin as a betrothal gift and married her.
