The sweet smell of the laboratory and the ink marks on the calculation paper intertwined into love. Food R&D engineer Gui Yating and mathematics professor Xie Man embraced each other in the collision of reason and sensibility. However, secular prejudice is like a knife, and Gui Yating's mother's strong obstruction crushes her passionate love into cold snow. Gui Yating left her hometown with a broken heart. In the past ten years, her longing has expanded like fermented dough. When we meet again, can the scars covered by time and the deep love that has not cooled break through the shackles?