So Bong has found out the true identity of Namsin3, but he treats her like a friend. The more he does that, So Bong becomes uncomfortable. In the end, she tries to leave PK group and Namsin. Meanwhile, the chairman rushes his plans to make Nam Sin and Ye Na get married to each other.
Elenco: Seo Kang-joon , Gong Seung-yeon , Lee Jun-hyuk , Park Hwan-Hee , Kim Sung-ryung , Choi Deok-moon , Park Young-kyu , Kim Won-hae , Jo Jae-ryong , Yu Oh-seong , Kim Hyun-sook , Kim Hye-eun , Oh Hee-joon , Choi Byung-mo , Chae Dong-hyun , Cha Yup , Cha In-Ha .