Kelly, Hannah and Darbie are on the hunt for a special ingredient in order to determine Chuck's whereabouts. The ingredient only blooms once a year - on Halloween. The Girls have to find a way to go back to last year's Halloween and get it without running into their past selves.。婚姻究竟是否恋爱的坟墓呢?有人觉得一纸婚书等于一张长期饭票,亦有人觉得是一条末路。因此当不信婚姻的大卫(谢利奥康奴)被亲密同居女友(碧姬韦逊)提出结婚的计划时,他要面对他一生中最大的决择,他究竟最后选择去接受还是去逃避呢?。