Can a wedding be a business? Sang-eun is a 13-year-old, single-life assistant. Under social pressure, her clients are men who require a wife for their public life. Ji-ho has been with Sang-eun for five years as her MWF spouse customer. While abusive short-term clients on TTS are driving Sang-eun insane, a new long-term contractor, Hye-jin, emerges and assumes the TTS husband schedule. With two separate husbands, MWF husband and TTS husband, Sang-week eun's glides romantically across the boundary between public and private feelings.