Mo Yu and Mao Mao were childhood sweethearts. Later, due to an encounter with bandits, Mao Mao stumbled and fell off a cliff and was rescued by Xie Yuan. Mo Yu fell into a semi-stupid state and was taken away by Wang Yifeng. They met again a few years later, and they were in opposite camps. Mao Mao was attacked by a sneak attack. Mo Yu rescued him and sneaked him into his camp to heal his injuries. Lao Xie came to ask for someone.