The host of a failing children's science TV show attempts to fulfill his childhood dream of being an astronaut by building a rocket ship in his garage, all while trying to makes sense of surreal events around him.

马特·富兰克林（托弗·戈瑞斯 Topher Grace 饰）刚刚从麻省理工学院毕业，然而他却似乎并不想遵从父愿进入金融界，而是选择了在一家音像店里打工，同时思索着自己究竟想要做什么。直到一天，马特高中时代暗恋的女生拖丽（泰莉莎·帕尔墨 Teresa Palmer 饰）偶然走进他的音像店，并邀请他参加一个劳动节聚会，聚会恰巧是由马特的妹妹温迪（安娜·法瑞丝 Anna Faris 饰）和她男友举办的。聚会上，马特发现原来温迪并非那么喜欢男友，昔日朋友也都各自面临人生的危机。这些怀揣烦恼的少年们不约而同地决意在今夜抛开顾虑放肆欢愉，然而今夜之后，几个年轻人的命运竟也开始交缠在一起……

An embarrassing video of Anthony surfaces online right before his fifth high school reunion. The Smosh dudes then race to pull down the clip before it blows Anthony's chances of reconnecting with his teen crush Anna.