On her first day as a university freshman, Shen Wei meets senior orientation leader Lu Hanchuan, followed by repeated chance encounters in the days that follow, unbenounced to her that all of this is deliberately engineered by both of them. One is carefree and bubbly, while the other is calm and reserved; every test of affection is a super sweet moment for them. Just as Shen Wei is preparing to confess to Lu Hanchuan, Lu Hanchuan finally gathers the courage to speak up first, marking the beginning of their first love.