Rainbow members go on a campaign tour to find rainbow prospective members hidden throughout the entertainment industry and recruit them as regular members! From the fresh member who will lower the average age of the rainbow to the handsome member who will upgrade the appearance of the show, to the independent baby bird member who needs the care of the members. Yoon Sang-hyun is Kwang Kyu's absolute recommendation! Taewon, Kwanggyu, and Sungjae's absolute efforts to entice Yoon Sanghyun begins. The three are struggling to make Yoon Sang Hyun a full member. Yang Yoseop is up next. It's up to Hong Chul, Kang Ta, and Defconn to do the enticing. There has never been such a prospective member as John Park! He meets Hongchul, Kangta, and Defconn. What trick will they use to entice John Park? Kim Min-jong and Kim Heung-guk also make an appearance.
