No matter how many knots a ball of yarn has or how tangled it is, it always has an end, and as long as you find that end, you can untangle it.
Similarly, no matter how bizarre or incredible a case may seem, as long as you find the source, you can crack it.
The Expeditionary Force mentioned by Nie Zhao was also known as the Kwantung Army. From Chen Rou's perspective, they were the historical enemies of the unit she once served in—sworn enemies of the most irreconcilable kind.
Chapter 53