National Interest：History Question: Why Did China Never Invade T

In total, eighty separate communist operations were neutralized and over 400 secret agents were arrested. The survivors fled the island and made desperate escapes back to mainland China. Cai’s once formidable intelligence apparatus on Taiwan had been thoroughly decimated, its demise guided by the hands of its own maker.     

The invasion of Taiwan was put on hold until Beijing could figure out what to do. In the end, Cai Xiaogan, the PLA spy turned double agent helped buy time for Chiang Kai-shek's emergency government. The outbreak of the Korean War did the rest. The history of cross-Strait relations would never be the same.