26 years after the end of Cambodia's civil war, much progress has been made in rebuilding schools, and now 2 million children are attending elementary school. But they face the problem of a high dropout rate. Now a Japanese NGO called Hearts of Gold is using field days, a vibrant tradition in Japanese schools, to encourage Cambodian children to stay in school. For 10 years, Hearts of Gold has been successfully promoting physical education in Cambodia. Schools it supports claim improved attendance rates and student morale. What's their secret of getting dropouts back to school? This documentary follows an NGO's work to bring physical education to Cambodian elementary school students.