Sending Wild Geese Home with a Seven-String Zither

"I hate climbing mountains and gazing over the water, plucking my seven-stringed lute as I watch the wild geese fly home." (He Zhu, Song of the Six Prefectures) This story is a birthday gift for Tan Luoling. Wishing Xiao Hong a smooth and happy year ahead! As Xiao Hong requested, the story is about the heroic Red Knight righting wrongs, saving a beauty, and ultimately marrying her. Of course, there are also a few matters of national vengeance and personal enmity along the way... (Everyone: Are you sure that's what this story is about? = =) In short, it's a clichéd story with a happy ending. The setting is based on the An Lushan Rebellion during the Tang dynasty. Premise: