In the ultimate test of marriage, an agent-turned-househusband gets tangled in a perilous mission with his detective wife, who’s clueless about his past.

Dae-guk, a nosy man from Apgujeong, and Ji-woo, a cold but skillful plastic surgeon, open a plastic surgery business in Gangnam. Dae-guk is an unemployed man who likes to pry…