As a small South American town sweats under an oppressive heat, an unknown person creeps through the night sticking malicious posters to walls and doors. When the contents of one poster lead to a murder, everyone knows that the town is threatened by a malevolent presence, but is there anything the m...

As a small South American town sweats under an oppressive heat, an unknown person creeps through the night sticking malicious posters to walls and doors. When the contents of one poster lead to a murder, everyone knows that the town is threatened by a malevolent presence, but is there anything the mayor, the doctor or the priest can do about it?