Driving home late at night during a heavy rainstorm, Glen experiences car trouble. Near where his car gets stuck, he spots a house, knocks on the door and is greeted by an oddly friendly middle-aged man, Arthur, and his younger wife, Cyndi. The strange couple pours him a drink, and then more drinks, followed by an unexpected offer that Glen can’t refuse. Elsewhere, a young woman, Katie, is feeling emotionally weighed down by a secret romantic arrangement that feels like a textbook case of gaslighting. And at the same time, in a nondescript research facility, medical professional Julie begins questioning her role in a bizarre experiment, fearing that she’s doing more harm than good.

十二月的某个无聊的午后，熊爸爸洗了⼀个苹果，切成2半。⼀半给了我，⼀半给了我的双胞胎姐姐。我们都不喜欢苹果上菜刀留下的味道。

《瀑布》的故事灵感来自导演钟孟宏友人发生的真实故事，以电影《瀑布》中层层暗喻与不停撞击两个女主角的故事为设计概念主轴，就有如海报中的草丛，缓缓持续着围绕这着母女，像是保护他们又像是被团团困住。而她们背后的蓝色帏幕象征未完工且令人期待的未来，蓝色的基底又像是层层水幕，大量的水花如瀑布般向下坠落。

阿姆（金城武 饰）和小文（郝邵文 饰）在夏威夷生活，小文每日在阳光沙滩上优游的与白人女童游戏，阿姆则要担负生活压力，为了保住自己的摊位，雇佣壮汉把自己打造成功夫高手来吓退流氓。释小龙（释小龙 饰）和释小燕（叶全真 饰）师姐弟分别修行功夫和特异功能，如今二人通过考验，受国家委派前往夏威夷参加世界武术大赛。小龙、小燕偶然从流氓手中救下阿姆，小文很快与小龙成为朋友，阿姆则对小燕一见钟情。被打的流氓引来犯罪集团将小龙绑架，原来小龙与小燕此行表面是参加比武，实际上是为了争夺中苏共同拥有的核武器启动装置。小燕为了救回小龙和犯罪集团作战，而他们的领队却心怀鬼胎……