A demonic dagger passed throughout a small village starts to disrupt the lives of those it comes into contact with.
A woman very dedicated to God has a daughter, which forces her to pray at all times, but she does not think like her mother, and has another way to do it. She worships the devil and is owned by him!
Seven teenagers travel by a trajinera over Xochimilco waters. Two of them use a witchboard and become possessed. The teenagers soon are arrive on an island, where one by one are murdered by their possessed friends.
