影片根据Marjorie Wallace撰写的同名书籍改编，讲述一对双胞胎姐妹非常沉默，她们只用一种专有的语言来彼此交流。她们迷恋于写小说、男孩以及青少年间的犯罪活动，她们之间的紧密关系使得某些事情变得十分危险见识越广，计较越少；经历越多，抱怨越少。越闲，越矫情美剧女超人美剧外乡人...

In the British countryside, the Harver family head out on an idyllic summer camping trip where they can bury past tensions and enjoy some family bondi...