Lin Yi, a modern young man, accidentally traveled through time and fell into the southeastern coast of Ming Dynasty where Japanese invasion was raging in 1560. In order to protect the people and his country, he joined the Qi Family Army under Qi Jiguang, starting as an unknown soldier.
Relying on advanced tactical thinking, modern fighting skills and knowledge of ordnance improvement, Lin Yi repeatedly made extraordinary achievements on the anti-Japanese battlefield, grew up rapidly in the bloody battle, and won the respect of Qi Jiguang. He got acquainted with the brothers who shared life and death, and met the confidante who showed sincerity to each other in troubled times. In the shadow of swords and swords, he dealt with the whirlpool of grudges and intrigues in the world.
He helped Qi Jiguang eliminate the Japanese pirates in the southeast and restored peace to the Ming Dynasty. After Qi Jiguang transferred to Jizhou to the north, Lin Yi led his elite cross-sea expedition to the Japanese mainland. He used thunderous momentum to put an end to the chaos of the Warring States Period, and finally supported the puppet regime. Japan completely surrendered to the Ming Dynasty and became a vassal state that paid tribute year after year, creating a legendary epic of the Ming Dynasty's heroic generals.