Kim Sang-nam (Jeong Jae-yeong), a hot-tempered former professional baseball player, is sent to the countryside to coach a team of hearing-impaired players in order to avoid media coverage of his recent involvement in an assault case. Kim Sang-nam (Jeong Jae-yeong) is a former professional baseball player who has a bad temper. While it's first difficult for Kim to imagine how to teach baseball to an unhearing bunch of boys, the more time he spends with them, the more he comes to believe that they are capable of learning the sport. In order to assist them prepare for the nationals, Kim decides to lend a hand. However, things don't turn out the way Kim had hoped, and their inability to communicate effectively with one another only makes matters worse for everyone involved.