Watch LookMovie. Cheryl Nasso struggled with anorexia for five years. At her worst, she weighed 85 pounds, was hospitalized, and went through 4 months of rehab. Just two years later Cheryl was one of only 50 women competing in the 2011 Reebok CrossFit Games, an international competition involving the fittest and strongest athletes in the world. Box of Salvation follows Cheryl as she trains for the competition while telling her story of adversity, loss and overcoming the worst to become one of the best.