Cha Sun-Hee can be just a house wife and now she's married to Bong Cheon-Dae. Her husband is now unemployed. She has a twin sister. They have personalities, Even though they are twins. Cha Do-Hee becomes involved in a situation which contributes to Cha Sun-Hee faking to function as flight warrior sister. She meets copilot Song Woojin.