In a closed junior high school in a small town, the timid Lin Wan sought refuge and walked into a canteen called "Fireworks" and met the mysterious and tenacious shopkeeper Sister. An encounter between bullying and protection brings two lonely souls closer together, developing a secret emotion that cannot be tolerated in the world. However, huge misunderstandings, family resistance and the cruelty of reality finally pushed them to the crossroads of separation.
Lin Wan went to the United States to study, while Ajie faced rumors and the past alone in the country. The Pacific Ocean separates the distance, but it also separates the constant longing and the pain of growing up. In a foreign country, they each struggled and transformed amidst the thorns of studies and careers. By chance, Ajie got the opportunity to go to the United States with her unique paper-cutting skills, and the two met again in Boston. From relying on each other to achieving each other's achievements, they moved the secular prejudice with their tenacity and deep feelings, and finally completed their own redemption and reconciliation.
This forbidden love, which began with fireworks in a small town, went through ups and downs, and finally found their way back and light in the wider world.
