Yen is a single girl working in Hong Kong. One day, she notices a handsome hunk in the office building across the street trying to catch her attention with paper signs. A quirky romance ensues as she starts communicating with the stranger through paper signs every day. On the day when she finally has the chance to meet him in person, she discovers that the so-called romance is onl y an embarrassing mix-up on her part. Her fate changes when she is approached by a beggar named Kevin. They start talking and soon become best friends. She learns of his origins and starts helping him rebuild his confidence and get back on tracks. However, when the previous stranger tries to win her heart back, Yin is caught in an unwanted love triangle.