UthamanPradeepisa24yearoldLeadDeveloperinCTSChennai.HeliveswithhismotherandsisterDivya,whoisengagedtoaDentistYogifor8monthsandisabouttogetmarriedin4days.PradeepisinarelationshipwithcolleagueNikhita,whosefatherVenusastriisaverystrictperson.PradeepgoestoherhousetandconvinceVenufortheirmarriageinfuture.Venu,who seemstobeanorthodoxman,playsaroundwithPradeepforawhile andputsforwardastrangedeal:PradeepandNikitamusmmediatelyexchangetheirmobiledevicesforonedayalongwithrespectivemobile'sunlockingkey.Aftertheendoftheperiod,iftheystillfeelthattheyareinlove,Venuwillnotobjecttheirunion.Else,theycangotheirseperateways.BothPradeepandNikithaagreetoithalfheartedlyandPradeepcomesbackhometomanagehissister'sweddingeven t.Duetosomerevelations,P radeepgoestoVenu'shomethenextdayandextendstheexchangeuntilendofhissister'swedding,andvenuagrees.Pradeepalsogetsintotrouble,asVenufindsawaytobringbackallthemessageswhichPradeephaddeletedfromhisphone,sincePradeepcleanedhischatseveryweek.Meanwhile,DivyaandYogiseemtogetalongverywell,asYogiisaculturedmildmanneredman ,whotreatsDivyaasequal.Oneday,duringabotchedgroupcallwit hDivya,YogioverhearsDivya'smomandauntinsultinghisphysicalfeatureswhenDivyaisnotaround.Duringtheweddingritualsinpresent,hebecomesmoodyanddoesnotallowanyonetousehisphone.ThisputsalotofdoubtinmindsofDivyaandherfriends.Theyrepeatedlytrytogethisphone,openitandcheckthecontents,buttheyarethwartedbyYogi.Thestoryisaboutwhat happenstothetwocouples,anddidtheystayunited?