The gentle male doctor He Suye (played by Zhang Linghe) and the hotel front office manager Shen Xifan (played by Xu Ruohan) who suffers from severe insomnia meet by chance during medical consultations and in life, and develop a secret love.They healed each other, and sweetly harvested a love story filled with the fragrance of herbs.

The series is adapted from Sheng Li's novel - the best thing.