"Doyouwanttodoit...?"　　Thefatalseductionof...the"ChallengeGame"　　FloristAe-ran(Vicky)andforensicsinvestigatorMin-ho(ChoiRyeong)fromthePublicProsecutor'sOfficebothhaveafamilythateveryonewants.However,Min-hocan'thandlebedtimesoAe-ranstartsa'challengegame'inwhichsheseducesandhassexwithstrangemen.Oneday,Ae-ranandMin-homeetAlex(ChoiHyeon-ho)atatangocafe.AlexisinterestedinAe-ranandapproachesherwhileAe-rantakesinterestinAlexwhoismorehandsomethanherhusband.Min-holaterwitnessestheminactionandgetsangrywhenhefindsoutthemanAe-ranseducedisAlex.Min-hofeelsnervousbecausehefindsoutAlexisn'tjustagamepartnerandapproachedhimforareason.Min-hotriestogetridofAlexbutAlexchokesAe-ranandMin-hoevenmoreandfeelscatharsis.Thegametheystartedisturningintoacatastrophe...