A Vietnam War veteran, Nick Parker, was blinded during combat and left for dead. He was found and trained by the locals in the art of swordsmanship, honing his other senses to superhuman levels. Years later, he returns to the United States and decides to visit an old Army buddy, Frank Deveraux, with whom he lost contact. Upon arrival, Nick discovers that Frank is in serious trouble with a nefarious crime syndicate, which has kidnapped him and forcibly coerced him to manufacture drugs. Frank’s estranged wife, Lynn, is murdered in the process, leaving their young son, Billy, alone and vulnerable.

Determined to protect Billy and rescue Frank, Nick embarks on a dangerous journey across the country. He uses his exceptional skills to fend off numerous attacks from hired henchmen sent by the crime syndicate's ruthless leader, MacCready. Along the way, Nick and Billy form a strong bond as they navigate violent encounters and unravel the criminal organization's plans. With relentless determination, Nick confronts his adversaries head-on, utilizing his unique capabilities and unwavering sense of justice. His mission is clear: save his friend and reunite a broken family while eliminating those who stand in his way.