一名单亲妈妈送女儿贝卡和儿子泰勒到乡下探访外祖父母,姐弟二人原本以为这是一次愉快的探亲之旅,没想到的是,外表慈爱的外祖父与外祖母,背后却隐藏着凶残的一面,还对两个小孩施以残暴的恐吓,而姐弟俩则用录像机记录下了这一切……。Sean (O'Dowd) is the imaginary friend of 10-year-old Martin Moone, the youngest child of a family living in a small town in Ireland. Martin has a unique perspective on life aided by an imaginary friend. His imagination comes into play both in his childish drawings, which come alive through animation, and in the ridiculous schemes he comes up with, against Sean's better judgemen...。