Love at 0°C (2006)

Sun Yixin is an aspiring fashion designer but is unable to find a job. Her friend Xiaoling aspires to enter high society and marry a rich man's son and often drags Yixin along to high-class parties. Yixin's mother forces her to help out with her cleaning business. She is forced to do the cleaning herself when she discovers that the business is in debt due to her mother's negligence. Her first assignment was to clean the house of Hu Zhitao, an irascible old man who looks after his grandson with an iron hand and happens to be Guobin's father. Yixin and Hu Guobin were classmates at design school and share a love-hate relationship. She Weixiang and his partner Victor run a dinner dress rental and auction business. Although from a wealthy background, he is estranged from his father and detests him for having a mistress. By chance, Yixin bumps into them and her fashion expertise comes into handy. A love triangle inevitably forms.