In the 1910s and 1920s, when circus was the most popular form of entertainment in North America, Mabel Stark made her name in a mans world as the greatest female tiger trainer in history, the centre-ring finale act for the Ringling Brothers Barnum & Bailey Circus. Brazen, courageous, obsessed with tigers and sexually eccentric, Stark survived a dozen severe maulings and five husbands. Now, at age 80 and about to lose her job, she decides that there is one last thing she needs to do: Mabel Stark wants to confess.