Watch 30 Days in May for Free: How to Stream the Movie Online at 123Movies. . Chronicles the days between Mayweather's May 5, 2012 victory over Puerto Rican superstar Miguel Cotto and the start of a three-month jail term on June 1, 2012 at the Clark County Detention Center in Las Vegas. The film concludes on Aug. 3, Mayweather's self-described 'best day of my life,' when he was released after serving two months behind bars.