SydneyBristow是政府秘密分支机构SD-6的情报员,但是她的男友带来了杀身之祸,雪梨在向SD-6的主座求证后,发明男友正是死在SD-6的手下,同时她发明SD-6实践上是反政府的机构。Sydney参与了CIA成为一个双面特务,也就是说她在完成SD-6分配的义务的同时,将义务的细节情报报告给她CIA的下属,Vaughn....本站推举《律师实质第八季》。SidneyBristowisacollegestudentwhohasanunusualjob–sheisaspyworkingfortheCIAundersecretconditionswherenotevenherfriendsknowswhatshedoes.WhenherboyfriendproposesSydneytellshimwhatshedoesforalivingandheremployerskillhiminlinewithprocedures.DecidingtoleavetheagencybeforetheykillhertooSydneydiscoversthatshehasactuallybeenworkingforSD6,anagencythatisactuallyashadowycriminalorganisationworld-wide.SydneyjoinstheCIAandworksasadoubleagenttohelpCIAAgentVaughntobringdownSD6.ShefindsthatherfatheristheotherdoubleagentwithinSD6andthepairworktogether.WhilefollowinghermissionstouncovertheworkofthepropheticRambaldishemustfeedinformationbacktotheCIAwithoutblowinghercover.