Talia Flynn runs at night to try and catch up with her lost love, pushing her fragile heart to the limit. Casey Willmott saves lives, a maverick heart surgeon frustrated with the professional red tape stopping his theories on nanotechnology being implemented. When Talia is rushed into hospital and assessed by Casey, her eyes are opened to the potential about her heart both physically and emotionally. Casey is drawn to Talia and tries to show her how she can be saved. Choosing to run again Talia pushes her heart past its limit into the arms of her lost love. Casey, finding her collapsed goes to revive her. Will he for fill his promise of saving everyone or break his own heart and let her go.