James Bond receives a golden bullet with his number 007 etched on it, signaling that he is being targeted by the assassin Francisco Scaramanga, known for using a golden gun. M, the head of MI6, relieves Bond of his current mission and instructs him to take time off until the threat is resolved. However, Bond takes matters into his own hands and travels to Beirut, where he uncovers a clue that leads him to the Far East. He discovers that Scaramanga is in possession of a powerful solar energy device called the Solex Agitator, which has the potential to solve the world's energy crisis or be used for nefarious purposes.

Bond's journey takes him to Thailand, where he gets entangled with Scaramanga's mistress Andrea Anders and British agent Mary Goodnight. His investigation further unfolds as he races to locate Scaramanga's island hideout. Along the way, various deadly encounters and high-stakes situations ensue, involving thrilling chases and dramatic fights. Bond must leverage his wits and resources to outmaneuver Scaramanga and prevent the Solex Agitator from falling into the wrong hands. The conflict between Bond and Scaramanga crescendos in a final confrontation that tests Bond's skills and resolve. Ultimately, Bond's mission revolves around neutralizing the threat posed by Scaramanga and ensuring global security.