In the roaring 1920s, a charismatic Italian immigrant named Charles Ponzi captivated Boston with a promise of extraordinary financial returns, sparking a frenzy of investment that would ultimately lead to a spectacular collapse. As his scheme grew, Ponzi's life became a whirlwind of wealth and notoriety, but the unsustainable nature of his promises eventually brought his empire crashing down, leaving a trail of financial ruin in his wake.