Esko Ketola, a 70-year-old competitive weightlifter, attempts to come back from a career-threatening injury to win his fifth world championship.Esko Ketola, a 70-year-old competitive weightlifter, attempts to come back from a career-threatening injury to win his fifth world championship.Esko Ketola, a 70-year-old competitive weightlifter, attempts to come back from a career-threatening injury to win his fifth world championship.