Kim Jin-Mook and Choi So-Hae have been married for 8 years and they have a 7-year-old son. Kim Jin-Mook is a huge fan of actress Kim Hee-Seon. Kim Jin-Mook begins to receive calls from someone named Kim Hee-Seon. Choi So-Hae wonders if her husband is having an affair and even their 7-year-old son leaves home to find Kim Hee-Seon.