A track and field athlete died after completing the 30 second 200 meter race, and a masked killer began to murder students on the school track and field team.《血溅毕业日》所属地区血溅毕业日先行预告血溅毕业日什么时候上映【血溅毕业日】评分高不高?血溅毕业日:剧情概要