The clocks are set. The line is drawn. They've got a chance to be champions. But at what cost? When Ann joins Sophie's running club she's thrown into a world of regimented training and pure focus. The two girls couldn't be more different, but soon their shared passion makes them inseparable - dreaming in lanes and lap-times, waking up picturing Olympic medals, each day stronger and faster... But set head to head in the run up to the World Championships, they find themselves and their friendship put to the ultimate test. As their relationships, their bodies and their very identities...

Bea meets Aaron. He's intelligent, handsome, makes her laugh and, most importantly, has a high rating on his genetic profile. What's not to like? Char is on the brink of landing her dream job and has big plans to start a family - but her blood rating threatens it all. In a world where future happiness depends on a single, inescapable blood test - which dictates everything from credit rating to dating prospects - how far will people go to beat the system and let nature take its course? The Phlebotomist questions the value we place on one another, whether knowledge really is power, and...