Simon Yam and Joan Chen play a divorced couple, "When we are quarrelling (onscreen), Chen would speak in Shanghai dialect, and I would fight back in Cantonese. Of course, neither of us could understand each other." said Simon Yam. Francis Ng's recalled a particularly important scene where he carries Song Jia on his shoulders.@chinesefilms.cn The film depicts a series of comical incidents which occur between 3 pairs of lovers on an island named Re Ai Dao, or Hot Love Island. The couples experience a number of misunderstandings and setbacks in pursuit of a happy ending.