Lǐn Xuě Yā and Shāng Bù Huàn attempt to retrieve the legendary Tiān Xing Jiàn's handle, while Dān Fěi and Juǎn Cán Yún seek to leave the Demon Spine Mountains, and run into unexpected company. 
weight of the the contents
from the cart's movements alone.
das Gewicht seiner Ladung abschätzen.