The invincible group "Z", carrying out a special mission in the jungles of South America, is faced with an enemy that it has never had equal to. The fearless commandos are dying one after another, and only their commander, Henry Adams, nicknamed the Briton, finally managed to deal with the one they called the Devil. However, ten years later, the second “devil” returned to him to take revenge. The action takes place against the backdrop of competition between various intelligence services, organized crime, rebels and drug traffickers. The Briton managed to emerge victorious for the second time, but was this not a Pyrrhic victory?