As World War II is going on in Europe, a conflict arises between the French and the Diola-speaking tribe of Africa, prompting the village women to organize their men to sit beneath a tree to pray.
黄文展“狗头”（任达华 饰）和何家宝“猪女”（徐子珊 饰）是香港CIB（Criminal Intelligence Bureau）的职员。CIB俗称香港警察中的狗仔队，里面人人行动低调样貌平凡，但却对罪犯有极其灵敏的嗅觉。
佐藤智雄的《友达游戏》根据山口美琴的原著改编成真人电视剧和电影。这部电影将分为两部分。
