Inthepic,awoman(Witherspoon)whoisplanninghersister’s(Hagner)perfectweddingandthefather(Ferrell)ofayoungbride-to-be(Viswanathan)discoverthattheyaredouble-bookedfortheirdestinationweddingataremoteresortonanislandofftheGeorgiacoast.Whenbothpartiesdecidetosharethesmallvenue,chaosensuesanddisasterawaits