When。10-year。old。Olivia's。Mom。goes。on。a。business。trip。for。the。weekend,。she。leaves。Olivia。home。alone。with。her。17-year-old。brother。Miles。in。charge.。The。first。night,。Olivia。falls。asleep。on。the。couch,。and。wakes。up,。not。realizing。how。late。it。is.。She。walks。her。dog。Charlie。without。Miles。knowing,。and。witnesses。a。young。woman。being。kidnapped。on。the。empty。New。York。City。streets.。Olivia。runs。home。and。tells。Miles,。but。he。doesn't。believe。her.。The。next。morning,。she。explains。what。happened。to。local。cops,。and。they。don't。believe。her。either!。Only。a。cynical。female。detective。named。Dottie。(played。by。Academy。Award。winner。Susan。Sarandon)。listens。to。Olivia,。but。she。too。is。skeptical.。Undaunted,。Olivia。bravely。launches。her。own。investigation,。putting。herself。into。perilous。situations.。Her。can-do。spirit。ignites。one。extraordinary。adventure。after。another.。Can。she。outwit。the。bad。guys。and。convince。her。brother。and。Dottie。of。the。truth。in。time。to。save。the。day