Cha Sun Hee is a housewife and she is married to Bong Chun Dae. Her husband is currently unemployed. She has a twin sister, Cha Do Hee, 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.