At fifty, Lin Yuanshan emptied his savings to help his son, only to be cruelly kicked out of his own home. In his moment of despair, he rediscovers his extraordinary skills as the King of Medicine. He ventures into the mountains to gather medicinal herbs and turns his life around against all odds. He opens a pharmaceutical factory and establishes cultivation bases, not only rebuilding his successful career but also helping his entire village become prosperous. Faced with the belated remorse and relentless harassment of his ungrateful son and his family, Lin Yuanshan ultimately stands firm and lives a dignified life on his own terms.