Lin Yun is known as the Chinese God of War and the most important weapon of the country. There is almost no task that he cannot complete, and there is no enemy that he cannot kill. However, Lin's father was seriously ill and Lin Yun was forced to retire early. He spent all his savings and was unable to pay Lin's father's high medical expenses. In desperation, Lin Yun sold himself into the Liu family, a wealthy local family.
