But he gets disqualified from the national tryouts after getting into trouble, so he has to start from ground zero and ends up at the same phys-ed school as Won-il.

Then there is Jae-suk's daughter, Jung-eun (Kwon Yuri) who captures both Won-il and Woo-sang's hearts and further reignites the rivalry between them.

The two very different young men begin training for an upcoming swimming competition, battling for love and friendship as they undergo the rite of passage of growing up.

[7] One of the locations was Davao in the Philippines, where the overseas field training scenes were shot, as well as the movie poster.

[3][11] On the day of its release on October 30, 2013, No Breathing drew 44,707 admissions and ranked 4th on the Korean box office.