Sha Xiaofei is a character in the TV series Black and White Code, played by Zhao Xun. 2 1 episode, Sha, Pei Yin, Aku, Gu, Jiang Jiuping and others, led by the old gun, came to a remote abandoned factory building to look for the lost password. Finally, in an abandoned cash truck, the body of the old gun and a USB flash drive with a password were found.