SarahPlummerisanFBIAgentwhosefamilyistakenhostagewhilesheisonaflighttoWashington,DC."Turbulence"occurswhenamysteriousstranger,Michelle,isseatedbesideherandSarahisforcedtomakeadecisionthatcouldcostherthelivesofherhusbandandtwelve-year-oldsoneee