It was supposed to be just another stop on Mick Jagger’s Rolling Stones tour—a sold-out crowd at London’s O2 Arena, thousands of fans ready to scream, dance, and sing along to decades of rock anthems. The energy was volcanic, the anticipation buzzing through 20,000 people who had waited months, even years, for this night. No one knew they were about to witness one of the most emotional and unforgettable moments of Jagger’s legendary career.