白雪覆盖的森林腹地，温柔的松鼠妈妈（海伦娜·邦汉·卡特 Helena Bonham Carter 配音）为孩子们讲述了关于咕噜牛的传说：可爱的咕噜牛宝宝（Shirley Henderson 配音）试图进入幽暗森林，却被爸爸（罗彼·考特拉尼 Robbie Coltrane 配音）粗暴地抓回。爸爸警告宝宝，幽暗森林内藏着可怕的大恶鼠，一旦遇上恶鼠势必遭到伤害。夜幕降临，雪花纷飞，咕噜牛爸爸沉沉睡去。温暖的洞穴中，小宝宝却无心睡眠。他的好奇心打败了对大恶鼠的恐惧，最终他冒着大雪闯入幽暗森林。神秘的脚印、邪恶的毒蛇、夜间出没的猫头鹰，为止的森林带给小宝宝前所未有的体验……...
A Mexican-American couple expecting their first child relocate to a migrant farming community in 1970's California. When the wife begins to experience strange symptoms and terrifying visions, she tries to determine if it's related to a legendary curse or something more nefarious....
