When a Mexican national captures the murder of an innocent couple on video, Mack Bolan is tasked with protecting the young man and delivering his evidence to authorities. But then the killer turns out to be a high-powered cartel boss intent on destroying any trace of his crimeincluding the witness. Suddenly the man with the video is running for his life, and Bolan has no choice but to join the chase.
A hired assassin and his army of trained killers outnumber Bolan in the unfamiliar Mexican territory, and he must rely on quick thinking and guerrilla-style tactics to wipe out the enemy and ensure the safety of the one man who can shutter the gang's operations for good. The cartel is fighting dirty, but the Executioner is about to lay down his signature brand of cleansing fire.