Spaihts wrote a 20-page "extremely detailed outline"; within three and a half weeks he had completed his first draft, and he submitted it to the producers on Christmas Day, 2009.
斯派茨写了份长达20页“非常详细的大纲”，并在三个半星期的时间里就完成了剧本初稿，于2009年圣诞节递交给制片人。