Lowe,whoisseven-and-a-halfmonthspregnantinreallife,alsostarsasapregnantwomanonakillingspree,targetingindividualsfromdifferentwalksoflife.Hermotivationforrevengeisgraduallyrevealed.LowedescribedPrevengeasa“post-feministrevengemovie”.Thewriter-directorhasstructuredanarrativeforthefilmandsaiditis“aclassicrevengetaleandveryepisodic,sothestructurewasquitelaidout,”butwillalsoemployimprovisationonset.