电影Hot Tub Time Machine 2《热浴盆时光机2》剧情承接上作，当卢正沉醉于成为“互联网之父”时，却不幸遭到一名不明身份的袭击者枪击，性命危在旦夕，为了再次拯救他们的朋友，雅各布和尼克再次启动了时间机器——热浴盆时光机。

When a meteor shower rains down outside Los Angeles, Jonas and Lars, two friends stuck in tired, boring lives, head out to find a meteor and strike it rich. After recovering one, they start being stalked by terrordactyls, ancient flying reptiles that launch a full-on assault on the city. Trying to survive, they go on the run...

四个好朋友前往夏威夷调查一座荒废的渡假胜地，据说当地有灵异事件，而他们希望能找到传说中「半个脸的女孩」。他们抵达后没多久便发现，许愿的时候要小心自己许了什么愿望。