Lee Jae-ha lived his entire life with zero interest in fighting, possessing neither notable dreams nor special talents until he suddenly discovers a mind-blowing genius for martial arts. Unimpressed by his own innate ability, Jae-ha remains completely indifferent when his friend Im Myeong-in urges him to pursue combat sports. Refusing to let such raw potential go to waste, Myeong-in secretly signs Jae-ha up for Never Back Down, a popular TV show dedicated to scouting hidden martial arts gems.