This novel is also known as "The Powerful Minister's Upgrade Guide," "The Powerful Minister's Training Manual," or perhaps "The Manual for Training a Powerful Minister?" Xie Anlan, a national security agent with the codename Qinghu, survived countless life-threatening situations. Taking a break, she falls asleep and wakes up in pre-liberation China, becoming the fourth young mistress of the Lu family in Dongling. Her money, house, and handsome men vanish, leaving only her weak and frail, newly-wed husband, a young man she just kicked out of bed. She's surrounded by a nonchalant father-in-law, a seemingly kind but scheming mother-in-law, and various siblings and in-laws. Xie Anlan is incredibly frustrated. She initially plans to boss around her delicate and beautiful young husband, but he's far from what he seems. He's secretly plotting something sinister. "I only care about those who obey..."