Whoeverthelambdasmightbe,andwherevertheyreallycomefrom,they’realreadyhereamongus.Outwardlyalienarrivalsfromadistantsea,thelambdasaregeneticallyhuman.Thegovernmenthasnoticedthem.Sohasawholegamutofextremistgroups.CaraGrayhasnoticedthemtoo,firstasahauntingpresenceinherotherwiseordinarychildhood,thenastheimpossiblyshiftingtargetofherworkasapoliceofficer.Whenabombgoesoffataschool,Carafindsherselftheweakpointinasurveillanceregimethathasfailedtopreventtheworstterroristatrocityindecades.Anebulousgroupoflambdaextremistsclaimsresponsibilityfortheattack--buthowcouldavulnerablecommunityoftinyaquatichumans,barelyvisibleinsocietyandseeminglyindifferenttotheirownexploitation,becapableofsuchahorrificact?InCara’sworldafamilymembercanbereplacedwithanapp,apolicequantumcomputerhasthepowertodecidewhodies,andobjectsarelegallyalive.Asherrelationshipwiththelambdasdeepens,Caramustdecidewhethertosubmittothepatternsoftechnology,violenceandobsession,ortotakeactionofherown.
