Can marriage be a business? Sang-eun is a single-life helper with 13 years of career. Her customers are those who need a wife for their public life under social pressure. Ji-ho is Sang-eun's MWF husband client who has been with her for 5 years. While short-term, abusing clients on TTS are driving Sang-eun mad, new long-term contractor Hye-jin appears and takes up the TTS husband schedule. With two different men, MWF husband and TTS husband, Sang-eun's week flows romantically crossing the borderline between public affairs and private emotions.

A servant falls in love with a girl whom his master also desires. Although the girl loves the servant, she also longs to improve her station in life.