The saga of Tonya Harding and Nancy Kerrigan is one of the most infamous in sports history. The film follows Harding's story from her early skating days to her instruction for the '94 Winter Olympics ahead of her ex-husband intervenes and tries to sabotage rival skater Kerrigan. UPDATE: Allison Janney proves to be a powerhouse in the upcoming satirical Tonya Harding biopic, I, Tonya, in a new trailer for the flick released Wednesday.