Clodagh Brown loved climbing. First it was trees. Later, as a teenager, she would scale the electrical pylons that tower over the English countryside like giant grasshoppers -- and share the experience with Daniel, her first lover. As a young woman she'd walk for miles over London's rooftops, peering through windows into people's intimate lives in a nightly ritual that bound her closely to the small group of friends with whom she lived and climbed. Looking back on it, Clodagh would claim that her passion for heights saved her life -- but not without exacting a terrible cost....