Abby Rogers has been on health kicks before - they involve eating one blueberry muffin for breakfast instead of two. But since starting her own business, after watching one too many episodes of The Apprentice, the 28-year-old's waistline has taken even more of a back seat than her long-neglected love life. When Abby is encouraged to join her sporty best friend's running club - by none other than its gorgeous new captain - she finds a mysterious compulsion to exercise. Sadly, her first session doesn't go to plan.