Receiving the letter, Yoritomo ordered to search for Yasuhira in Hinai-gun, and moved a camp to Morioka City, Iwai-gun on October 19 (September 2 in old lunar calendar).
書状を受けた頼朝は比内郡での泰衡捜索を命じ、9月2日には岩井郡盛岡市へと陣を移す。