Bayport High's newest soccer player, Carlos Capac, is about to draw the Hardys into a deadly new game. When Carlos is nearly killed in an act of sabotage, the boys learn that his father has been kidnapped and there's only one way to save them both: fly to the Capac's South American homeland...and into the middle of political powder keg! The country is ruled by a corrupt dictator and his ruthless military police, Los Lobos Blancos. Carlos's father challenged the White Wolves, and now both father and son may pay the price. Taking on the power of the White Wolves, Frank and Joe they face some pretty steep odds: eruption of terror that could end in human sacrifice.