Lucy Chambers lives to swim. Tipped as a future Paralympian, she has watched the Aquatics Centre rise up near her London home and hopes to make a real splash there in 2012. But the ripples of Lucy's success have reached her mother, Sarah, who rejected her soon after she was born. Both mother and daughter share a passion for swimming - but is now the right time to start sharing in each other's lives? For Lucy, the waters have never been deeper...