A modern girl Xu Yuan transmigrates into a warlord novel as a tragic love-struck side character. Originally obsessed with Marshal Xiao Yiheng, she dies miserably after being abandoned. Focused solely on making money, she takes his ten-thousand-silver-dollar payout, cuts all ties, and starts a cheongsam shop. She saves cross-dressing Shen Qingshan, and the two enter a fake marriage for protection.Unable to let her go, Xiao Yiheng haunts her life secretly. Through arms deals and military orders, Shen Qingshan reveals her true gender. After Xiao Yiheng rescues Xu Yuan from peril, the two fall in love for real. Meanwhile, Xiao Ruyue and Shen Qingshan also end up together.