MatafollowsthestoryofaFrenchsecretagentwhoiswoundedduringacovertmissioninNiger.Duringthisoperation,hercolleagueAntoineiscaptured,leavingherbothphysicallyandemotionallyscarred.UponherreturntoFrance,Matavolunteersforacounter-espionagemissionintheAlps.ShesuspectsthatthisnewassignmentissomehowlinkedtohertraumaticexperienceinAfrica.Asshedelvesdeeperintothemission,Matabecomesincreasinglyconvincedthathersuperiorsareconcealingcriticalinformationfromher.Determinedtouncoverthetruth,sheoperatesoutsideofficialchannels,riskinghercareerandherpersonalsafety.