They say absence makes the heart grow fonder. Zuo Zaijun (刘恺威), Zheng Lei (孙艺洲) and Ning Xiaomeng (古力娜扎) were good friends in college. In fact, both Zaijun and Lei were in love with Xiaomeng. But Xiaomeng left for the United States to further her studies, and Zai Jun and Lei lost touch with her for