Su Zi, an undergraduate student of traditional Chinese medicine, accidentally traveled through time and space in an accident and turned into a stupid and unpopular princess. She was already like this, but she was still being plotted by others, and her life was always in danger. Fortunately, Su Zi was full of aura and proficient in medical skills. She gradually transformed from a little person who would be forgotten by history to a woman who attracted everyone's attention. She and her lover drank the wine of lovesickness and depended on each other. Love is connected in the heart, but unfortunately it is just a ray of soul. In an accident, when he was stabbed by the ancient divine sword, the soul actually followed the sword and penetrated into the murderer's body. He watched the sword pierce his body with his own eyes. His former lover turned against him and became his enemy, but Su Zi could not explain it. Everything developed towards a situation that seemed irreversible. Did the lovesickness wine of that year finally turn into lovesickness?