The story revolves around an attractive girl named Chwe Sang-in. She has a rather unusual profession - she works as a hired wife. Her task is to help clients who want to lead exemplary lives. To do this, Chwe Sang-in has learned to transform herself. She has been working with a young man named Jung Ji-ho for a long time on Mondays, Wednesdays, and Fridays. The rest of the days are occupied by a famous actor. Without realizing it, Chwe Sang-in finds herself in a love triangle.