Tong Xiaoqi and Lin Quanquan were a couple who had been together since junior high school. After graduating from college, they rented a small bungalow in a courtyard next to Beihai Park. Lin Quanquan had always had a dream of being a painter and hoped to publish her drawings one day, so she kept submitting drawings to publishing houses, but was rejected many times. Tong Xiaoqi works in a small company to help build the company's web page, living the life of an ordinary white-collar worker.
They often walked hand in hand and kissed by the North Sea. Lin Quanquan had a strange habit. Whenever he kissed, he had to drink water, otherwise he would keep coughing. So Tong Xiaoqi would bring a glass bottle filled with boiled water every time he took a walk.
One day, Lin Quanquan was surprised to receive an invitation from a publishing house and met Song Yang, the owner of the publishing house. Song Yang fell in love with Lin Quanquan at first sight and took away Lin Quanquan's virginity on the pretext of sending her home.