Cha Sun Hee (Lee Da Hae) is a housewife and she is married to Bong Chun Dae (Bae Soo Bin). Her husband is currently unemployed. She has a twin sister, Cha Do Hee (Lee Da Hae), who works as a flight attendant. Although they are identical twins, they have completely opposite personalities. Cha Do Hee becomes involved in a situation which leads to Cha Sun Hee pretending to be her flight attendant sister. She then meets co-pilot Song Woo Jin (Ryu Soo Young).