两个情同姐妹的女中学生毕业后各奔前程：富家女独居别墅，贫家女进了训练班。贫家女的男友家明爱上了富家女，富家女出于道义婉拒；但在圣诞夜由于孤寂，两人发生了关系，事后富家女因内疚而自暴自弃。贫家女发现家明根本不喜欢自己，全心全意投入训练班的训练，取得优异成绩。但富家女没有出席她的毕业晚会，待她找到富家女的家里，只见富家女已经溺毙在游泳池中。

An imperial agent gets ridiculed for his various inventions, until his supportive wife encourages him to attend a conference, which's actually a trap to kill all the doctors serving the emperor, where his crazy inventions come in handy.

1996 film by Stephen Chow, Lee Lik-chi