<p> 英国皇室的珠宝被盗，引起了高度紧张。情报局随即派出了最顶尖的特工——“天字第一号”去追查珠宝案，然而，案件未查出半点头绪，“天字第一号”就被人谋杀了。在“天字第一号”的葬礼上，英国情报局的顶级特工遭到了炸弹袭击，全部牺牲了。
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&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 不久，情报局收到消息，这伙坏蛋准备打英国皇冠的主意。但是情报局的顶级特工都牺牲了，无奈之下，只好派出菜鸟特工——强尼•英格利（罗温•艾金森 Rowan Atkinson 饰），绰号“特务憨J”。
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&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 强尼智勇皆无，不过他有先进武器、“八卦”的本领，强尼最后能否捍卫英国皇室的尊严？</p>
