NIGHT MUSIC (1988)

Ramiro is a ringleader of a gang of drug traffickers that in order to introduce a new drug, called Night Music (Música Nocturna), must eliminate Aurelio, the biggest drug lord. To implement his plan, he use his friend Daniel has bait who has a close friendship with Aurelio. Ramiro succeeds, murders Aurelio and proposes Daniel to participate in the drug business.