During Christmas Eve, Dr. Tere tries to get to her daughter's house for dinner, but her plans are frustrated by numerous insufferable patients and an unexpected stomachache.
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.
During Christmas Eve Dr Tere tries...
Seven teenagers travel by a trajinera...