Over the course of the series, London Calling captured the ecstatic highs and crushing lows as Ireland's top athletes - across a range of disciplines - train, compete and try to qualify for the 2012 Olympic and Paralympic Games. This series finale follows Brian Gregan the 21-year-old 400m sprinter from Tallaght trying to make the breakthrough, we meet Camilla Speirs the bright young star of Irish Three Day Eventing who trains her own horses as well as Michael McKillop a middle distance runner with Cerebral Palsy who is not only Paralympic 800m Champion but also regularly competes with able bodied athletes.