自上一次冒险已经过去了六年时间，哈罗德·李和卡玛都过着安静的生活，有了新的朋友和家庭。现在，他们在准备自己家的圣诞节。可是就在这个节骨眼上，卡玛收到了一个神秘的包裹。为了和自己的好朋友一起“探秘”，卡玛带着这个包裹来到了…

Like many 9-year-old boys, Eli Braverman believes something menacing lives in his basement. When his older sister leaves him home alone one night, Eli discovers if this evil is real or all in his head. What Eli confronts…