When10-yearoldOlivia'sMomgoesonabusinesstripfortheweekend,sheleavesOliviahomealonewithher17-year-oldbrotherMilesincharge.Thefirstnight,Oliviafallsasleeponthecouch,andwakesup,notrealizinghowlateitis.ShewalksherdogCharliewithoutMilesknowing,andwitnessesayoungwomanbeingkidnappedontheemptyNewYorkCitystreets.OliviarunshomeandtellsMiles,buthedoesn'tbelieveher.Thenextmorning,sheexplainswhathappenedtolocalcops,andtheydon'tbelievehereither!OnlyacynicalfemaledetectivenamedDottie(playedbyAcademyAwardwinnerSusanSarandon)listenstoOlivia,butshetooisskeptical.Undaunted,Oliviabravelylaunchesherowninvestigation,puttingherselfintoperiloussituations.Hercan-dospiritignitesoneextraordinaryadventureafteranother.CansheoutwitthebadguysandconvinceherbrotherandDottieofthetruthintimetosavetheday?