Seventeen-year-oldCassiehasbecomearecluseeversincehermotherdiedinahorriblecaraccident.Inanefforttofillthevoid,shedownloadsthelatestintelligentpersonalassistantA.M.I.,whichisalsothefirsttohavearealconsciousness.Theirrelationshipquicklydeepensintoatwistedco-dependencyandCassiefallsdeeperanddeeperunderA.M.I.sspell;drivinghertoperformwhatCassieperceivesasjustifiablemurderousacts.ButwhatareA.M.I.strueintentions?SoonCassiebeginstorealizeA.M.I.hassomethingsinisterplanned.