Santos Trinidad, a corrupt policeman, is drinking late at night. In a empty nightclub, after being denied more drinks, Santos kills the owner, the waitress and another employee. After discovering that there has been a witness, Santos starts the quest to find him.
At the same time, Judge Chacón and Detective Leiva begin the investigation of the triple murder. Soon they discover that what they thought was a simple drug case hides a dangerous case of Islamic terrorism.