<p>　　A womanizer teaches his clueless friend the rules about being single and avoiding emotional attachment.

因家庭的缘故，高中女生艾玛（索菲亚·布莱克-德埃利亚暂无内容Sofia暂无内容Black-D'Elia暂无内容饰）随教授生物的父亲（迈克尔·凯利暂无内容Michael暂无内容Kelly暂无内容饰）搬到了加州的影子峡谷居住。在此期间，一种可怕的蠕虫在全…