That decision by Qian Hongchu was, in fact, the death sentence for Wu Yue.

Think about it: Emperor Taizu of the Northern Song, Zhao Kuangyin, wanted to march south to fight Southern Tang, so he sent people to Wu Yue demanding troops. Qian Hongchu had no choice. His 50,000 men set out just like that. Li Yu panicked and wrote Qian Hongchu a letter—just one sentence that pierced straight into the heart: “Without me today, how could there be you tomorrow?” The meaning was crystal clear: if Southern Tang were gone, then the next turn would be yours.

So what happened? Qian Hongchu didn’t reply. He handed that letter over to Zhao Kuangyin exactly as it was, without changing a word. It looked like he was pledging loyalty, but in reality he was sealing his own last lifeline.

What I can’t wrap my head around is that many people say Qian Hongchu “actively surrendered territory” and “voluntarily returned to the Song.” Really? Did he have other options? Wu Yue had only that small bit of land—Zhejiang, plus the Suzhou and Fuzhou areas—surrounded on all sides. To the north and west lay Southern Tang; to the outside was the Central Plains. This geography determined an iron rule: for Wu Yue to survive, someone had to stand in front.

For more than 70 years, that “shield” had been Southern Tang. The Huai River line was like a natural barrier; every time the Central Plains pushed south, they were blocked. Southern Tang stood in front and took the blows, while behind it Wu Yue stayed safe and sound—repairing dikes, building defenses, doing maritime trade. At Hangzhou Port, ships came and went one after another; ivory and pearls piled up in warehouses. The rules set by Qian Hongchu’s grandfather, Qian Liu—make friends with the Central Plains, oppose Southern Tang—were followed by three generations of five kings, with no deviations.

But this logic had a fatal premise: Southern Tang had to exist. Once Southern Tang disappeared, Wu Yue was left exposed.

In 975, the city of Jinling fell, and Li Yu surrendered. Wu Yue’s chancellor, Shen Huzi, had already advised him—Southern Tang was the shield; they must not fight. Qian Hongchu didn’t listen. As a result, the Song army surrounded Wu Yue from three sides, with only the east left as an open sea. In March 978, Qian Hongchu was summoned to Kaifeng to meet the new emperor, Zhao Guangyi. Before leaving, he went to pay respects at his grandfather’s tomb. The historical records say he cried so hard that he couldn’t stand. What he was crying for was exactly this: the retreat route he had personally destroyed.

When he arrived in Kaifeng, Zhao Guangyi gave him plenty of face—sword and boots entered the hall, and the imperial edict was not even named. But the more courteous they were, the more dangerous it became. At this moment, Chen Hongjin took the lead in offering land first, which was essentially telling Qian Hongchu: if you don’t surrender, others will. In May, Qian Hongchu submitted a memorial offering all thirteen prefectures and eighty-six counties. Seventy-two years of Wu Yue ended peacefully just like that.

So could Qian Hongchu have saved Wu Yue? In theory, yes. Li Yu’s letter said it plainly: if Wu Yue and Southern Tang joined forces to harass the Song army’s flank from the east, Zhao Kuangyin might not have been able to swallow Southern Tang. The Song army besieged Jinling for a year, and Zhao Kuangyin even considered withdrawing in the middle. If the eastern front fell into chaos again, the outcome would be hard to say.

But in reality, Qian Hongchu couldn’t do it. Wu Yue’s military authority was already no longer in his hands. Back in 955, when Zhou Shizong attacked Southern Tang, Wu Yue’s army was incorporated into Zhou’s forces and took orders from someone else. This relationship was fully carried over by the Song dynasty. Qian Hongchu wanted to act on his own? The chain of command wasn’t under his control at all.

His financial strength was also drained away by tribute obligations. Yue kiln ceramics, silk, gold and silver, tea—every year they were shipped to Kaifeng. More fundamentally, the Qian family’s “respect for the Central Plains” spanning three generations had already become Wu Yue’s political DNA. Qian Liu’s last instructions were explicit: “For all rulers of China, even if their surnames are different, they should be treated well.” Suddenly turning around to ally with Southern Tang against Song? Zhao Kuangyin would not agree—and probably no one inside Wu Yue would either.

So Qian Hongchu wasn’t that he couldn’t see the road; he simply couldn’t walk it. Meanwhile, it was Li Yu—this “incompetent ruler”—whose judgment in the end turned out to be right. In the end, he still treated Qian Hongchu as a friend and even wrote a letter asking for an alliance. But Qian Hongchu, holding that letter in his hand, turned around and handed it straight to Zhao Kuangyin.

After Zhao Kuangyin read it, he said nothing. He didn’t need to. The fate of Wu Yue was already decided the moment that letter was passed on.

On August 24, 988, it was Qian Hongchu’s 60th birthday. Zhao Guangyi sent people to deliver gifts and fine wine. That night, after the banquet, a shooting star fell in front of Qian Hongchu’s bedroom. The next morning, he died.