Bulletproof Your Hamstrings: Optimizing Hamstring Function to End Pain and Resist Injury

Sam faces some of her deepest fears as she goes undercover to get evidence on the drug gang that plagues the city. She changes her look and must leave behind her family and friends as she begins her new life as "one of the gang." Will she survive the encounter long enough to get the evidence that she needs to convict the leader of the gang?