In this week’s episode of Radio Star, four amazing teachers of celebrities in different fields appear on the show to tell their stories. Ryu Seung Soo is an acting teacher of Zo In Sung and Song Ji Hyo. Pak Sun Zoo is a talented vocal trainer who taught Kim Bum Soo and Yoon Mi Rae. Lee Da Ji is the most popular history teacher among the students. Park Ji Woo is a professional dance teacher. They start to unfold funny stories of their amazing students and their teaching experiences.