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Whenagroupofcollegestudentstakepartinaclinicaldrugtrial,anunexpectedsideeffectoftheexperimentalmedicinegivesthemterrifyingvisionsoftheirowndeaths...whichbegintocometrue.Astheyscrambletoescapetheirfate,theydiscoverthatthekillerisamongthemandsharestheirabilitytoseethefuture-onlyheseemstobeonestepaheadoftheireffortstosurvive.