TaniaandDanielaaretwousinswhohavemaintainedacloseandintimaterelationshipthroughouttheirlives.Bothmarried,theusinsnfessthattheyliveinastrangesituation,theirhusbandsaregoodandkindtothem,theyenjoyagoodsocialandenomicposition,buttheyhavefallenintoaroutineandmonotony,appearingapatheticandboredintheirdays.Duringawedding,aftermuchdrinkingtheybothhaveanideatogetoutofthenuisance:swappingtheirhusbands,playingatbeinginvolvedwithanotherman,andgoinghomewiththem.Onthewayback,oneofthenewuplessuffersfromaterriblecaraident,endingtheirlives.Now,thesurvivinguplehasastrangenewrelationship,movingbetweentheguiltandtheemptinessthatthelossoftheirrespectivepartnershasleftthem.