Song Wan is one of the pioneers of the outlaw band at Liangshan Marsh. He takes the third leadership position in the outlaw band, after Wang Lun and Du Qian. Later, Song Wan becomes one of the leaders of the Liangshan infantry after the Grand Assembly of the 108 Stars of Destiny. Finally, Song Wan is shot down and trampled to death by enemy cavalry during the campaign against the rebel leader Fang La.