Cha Sun-Hee (Lee Da-Hae) is a housewife and she is married to Bong Cheon-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).
