en CB01 OFFICIAL. The young drug trafficker Leonardo Hernández, after a heated argument, kills the son of Juan Rentería, a powerful mafia boss in the region, who upon finding out, exacts bloody revenge against Leonardo and his family. In the shootout, only Saúl, the youngest of the Hernández family, survives, who from that moment on will only have one motive in his life, to end Rentería and his group of murderers.