The gentle male doctor He Suye (played by Zhang Linghe) and the hotel front hall manager Shen Xifan (played by Xu Ruohan), who has severe insomnia, meet unexpectedly during repeated visits and life. In the end, the two heal each other in daily life, and sweetly gain a love story that moistens the fragrance of herbs.

The series is based on Shengli's novel - the best thing, which is the best thing I have ever done - adapted.