A blind girl who works as an apprentice at Tai Hospital relies on her sense of smell and touch to identify medicinal materials, but finds that she can smell the lesions and secrets deep in people's hearts. In the most remote medicinal material warehouse of Taiyuan Hospital, the 16-year-old blind girl Su Hexiang was carefully sorting the dried mint leaves. The fingertips brushed the serrated edges of the leaves, and the tip of the nose gently smelled the cool and spicy fragrance.