Seon-Woo wants to quit the judo club, but tradition demands he defeat a senior first. His opponent? Tae-Hyung, a national champion. Meanwhile, Tae-Hyung finds himself drawn to Seon-Woo and unknowingly confides in him online as “Summer.” As he struggles with this truth, Seon-Woo challenges him to a match for his freedom. Should Tae-Hyung let him win or fight with all he has?