Madrid, the century's beginning. Law enforcement inspector Santos Trinidad coming home drunk, 1 afternoon, is included in a murder. But a witness is that managed to flee and which will incriminate him. An evaluation to locate and eliminate the witness is undertaken by santos. Meanwhile, Chacón a judge responsible for investigating thoroughly advances from the search for the murderer, the triple murder. Chacon and santos soon find that what seemed a simple example of drug trafficking is something a lot more dangerous.