Su Wan, a 19-year-old college entrance examination graduate, went to work alone in a milk tea shop in the business district for a summer job in order to avoid being questioned at home. In the sweltering heat of the summer shop, she fell in love at first sight with Chen Yu, a gentle and restrained part-time senior who was three years older than her.
Su Wan is shy in her heart, filled with a secret love that she cannot hide; Chen Yu has long been attracted to her, who is clean and pure, but due to the age gap between them and their status as students and semi-professionals, he is worried that the short time they work together will delay her future, so he can only build boundaries in the name of "brother and sister", silently protect her, and keep all his turbulent love deep in his heart.
After countless ambiguous fights in the milk tea shop, rational persuasion in the late night and rainy night, and the sour feelings in both directions on the lively birthday, and a conflicting conversation, Su Wan resigned with full of regrets, and the midsummer encounter between the two seemed to have ended hastily.
Destiny never separated the two. When school started in September, they unexpectedly reunited at two universities in the same city. An old heartbeat resurfaces, a long and restrained secret love begins again on campus, misunderstandings arise, and the truth hidden behind layers of love finally comes out on a rainy night - all the alienation, rejection, and drawing of boundaries back then were never not about not loving, but about not daring to love.
The feelings that had been accumulated for a whole year were suddenly confessed, and the two people who had overcome the regrets of midsummer finally broke through all worries and came together, and walked through the youthful school days together. As graduation approaches, age and experience gaps, employment reality pressures, and life differences arise one after another. The two learn to be tolerant and communicate while working together, and work together to overcome all the tests.
From a summer surprise in a stuffy milk tea shop, to a two-way trip on the university campus, to entering society and spending time together, Su Wan and Chen Yu have hidden the secret heartbeat of their entire youth. After enduring, parting, reuniting, and getting along, they finally return to Yu in the evening breeze and stay together year after year, ending successfully.
Purpose: Secret love comes true, inspiring growth