Soon-kyu,caughtsightofaUFO.TofindtheUFO,theyleaveforaso-called"UFOmountain".3dayslater,theycomebackandinsistthey"vecontactedaliensthelastnightexceptSoon-kyuwhoblackedoutduetooverdrinking.AfterhearingthatJi-hyun"smissing,Soon-kyuleavesforthemountainagaintoanswerhisownquestion-theUFO,aliensandJi-hyun.