Gao Jiping has adopted and trained four orphans to serve as assassins under her: Ye Xiang (葉翔), Shi Qun (石群), Meng Xinghun (孟星魂), and Xiaohe (小何).
He secretly makes a deal with Gao Jiping, who sends Meng Xinghun to assassinate Sun Yubo.
However, Lü Xiangchuan's plan ultimately fails and he dies at the hands of his friend who has remained loyal to the clan.
Gao Jiping commits suicide after the loss of her four assassins: Meng Xinghun falls in love with Sun Die, marries her and joins Sun Yubo; Ye Xiang is killed; Xiaohe survives but becomes disabled; only Shi Qun is still alive and well.
The story of Meteor, Butterfly, Sword is based on a martial arts novel, Liuxing Hudie Jian.