After the Ming and Wala sign a peace agreement, tensions rise due to rebellion accusations. Chen Guang and Taiji Su Han, who led the negotiations, face danger and must lead their team to Ningxia for support, navigating numerous threats along the way.

大明与瓦剌签订议和协议后不久，暗流涌动。夜不收百户陈广带着主导议和的素翰台吉被追杀至城门下，声称部落将军苏赫巴鲁突然发难，平安所赵千户却不愿卷入部落纷争，陈广只得带领乔三一、郭松、老雷、张顺护送台吉前往宁夏府寻求上峰支持，一路危机重重。夜不收小队，能否完成没有退路的任务？能否满员出、满员归？