Serbia boasts the world's top team in 3x3 basketball, prompting high school fans in Saga Prefecture, southern Japan to get in touch with kids in Serbia. Through interviews with journalists and former athletes, they learn how a sport that was once the symbol of unity was responsible for deepening the ethnic divide that led to war and the dissolution of Yugoslavia. 30 years later, however, teams from the former Yugoslavian states have formed a basketball league which is helping to promote reconciliation.