He Suye (Zhang Linghe), a gentle male doctor, and Shen Xifan (Xu Ruohan), a hotel front desk manager suffering from severe insomnia, met unexpectedly during consultations and in life and secretly fell in love. In the end, the two healed each other in their daily lives and sweetly reaped a love story filled with the fragrance of herbs. The series is adapted from Sheng Li's novel "Loving You is the Best Thing I've Ever Done".