It was a high-wire act that the Swiss authorities had to perform in four fateful days in March 2023: the biggest merger in the banking world since the financial crisis. What really happened in those dramatic 96 hours? Could the catastrophe have been avoided? And how could Credit Suisse of all banks - one of the few global financial institutions to have emerged from the financial crisis stronger than before - end up in such an epochal predicament? Peppered with much hitherto unknown information, this book provides the first detailed insiders account of the dramatic downfall of the Swiss-American money house, which always sailed very close to the wind - and in the end went down.