The script of the film "NoBreathing" was written by Liu Yingya, who has written numerous popular films such as "Dream Team of North and South Korea" and "Gift in Room 7". The film's title "NoBreathing" is a swimming term, meaning "swim after holding your breath". The film aims to temporarily slow down the enthusiasm and persistence of young people in order to show a better future. The film is based on swimming competitions and combines elements such as dreams, friendship, and family affection. Seo In-guk plays a talented player who gave up swimming but eventually challenged again, while Lee Jong-suk transformed into a handsome "national representative" player. And Kwon Yuri transformed into a personality girl who has a passion for music and dreams of becoming a musician.